go math 4th grade homework answers

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Go Math Grade 4 Answer Key PDF Free Download | Chapterwise 4th Standard Go Math Solutions Key

Go Math Answer Key for Grade 4:  4th Standard Go Math Solutions provided engages students and improves the conceptual understanding and fluency. All the Solutions provided are as per the Students Learning Pace and target the individual’s needs. Students can get the support they needed for practice by our Grade 4 HMH Go Math Answer Key.

Students can get detailed solutions to Practice covered from the Go Math Textbooks. Motivate your kids to improve in their Math Skills and make their learning fun using our Go Math 4th Standard Answer Key. The engaging and interactive approach present here meets up student’s requirements. A detailed explanation is provided for all the questions in the Go Math Books.

4th Grade Go Math Answer Key for all Chapters

Grade 4 HMH Go Math Solutions Key gives students unlimited practice and feedback. You can understand the Primary School concepts easily by referring to our point to point explained Go Math Grade 4 Answer Key .  Look no further and use the handy solutions of Class 4 for the concepts in Go Math Textbooks. Utilize the Chapterwise Solutions prevailing and prepare the concepts as per your requirement.

Free Grade 4 HMH Go Math Answer Key PDF Download

You will find the 4th Standard Go Math Answer Key extremely helpful to assess your preparation level. Identify areas you are lagging and allot time to those particular concepts. Score high grades and build Math skills by going through the concepts given in crystal clear format. Prepare the corresponding chapter you wish to practice by clicking on the concerned links.

Common Core Grade 4 HMH Go Math – Answer Keys

• Chapter 1 Place Value, Addition, and Subtraction to One Million
• Chapter 2 Multiply by 1-Digit Numbers
• Chapter 3 Multiply 2-Digit Numbers
• Chapter 4 Divide by 1-Digit Numbers
• Chapter 5 Factors, Multiples, and Patterns
• Chapter 6 Fraction Equivalence and Comparison
• Chapter 7 Add and Subtract Fractions
• Chapter 8 Multiply Fractions by Whole Numbers
• Chapter 9 Relate Fractions and Decimals
• Chapter 10 Two-Dimensional Figures
• Chapter 11 Angles
• Chapter 12 Relative Sizes of Measurement Units
• Chapter 13 Algebra: Perimeter and Area

Grade 4 Homework Practice FL.

Common Core – Grade 4 – Practice Book

• Chapter 1 Place Value, Addition, and Subtraction to One Million (Pages 1- 20)
• Chapter 2 Multiply by 1-Digit Numbers (Pages 21 – 47)
• Chapter 3 Multiply 2-Digit Numbers (Pages 49- 65)
• Chapter 4 Divide by 1-Digit Numbers (Pages 67 – 93)
• Chapter 5 Factors, Multiples, and Patterns (Pages 95 – 109)
• Chapter 6 Fraction Equivalence and Comparison (Pages 111 – 129)
• Chapter 7 Add and Subtract Fractions (Pages 131 – 153)
• Chapter 8 Multiply Fractions by Whole Numbers (Pages 155- 167)
• Chapter 9 Relate Fractions and Decimals (Pages 169- 185)
• Chapter 10 Two-Dimensional Figures (Pages 187- 204)
• Chapter 11 Angles (Pages 205- 217)
• Chapter 12 Relative Sizes of Measurement Units (Pages 219- 244)
• Chapter 13 Algebra: Perimeter and Area (Pages 245- 258)

Grade 4 Homework FL. – Answer Keys

• Chapter 2 Multiply by 1-Digit Numbers Review/Test
• Chapter 3 Multiply 2-Digit Numbers Review/Test
• Chapter 4 Divide by 1-Digit Numbers Review/Test
• Chapter 5 Factors, Multiples, and Patterns Review/Test
• Chapter 6 Fraction Equivalence and Comparison Review/Test
• Chapter 7 Add and Subtract Fractions Review/Test
• Chapter 8 Multiply Fractions by Whole Numbers Review/Test
• Chapter 9 Relate Fractions and Decimals Review/Test
• Chapter 10 Two-Dimensional Figures Review/Test
• Chapter 11 Angles Review/Test
• Chapter 12 Relative Sizes of Measurement Units Review/Test
• Chapter 13 Algebra: Perimeter and Area Review/Test

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Both students and teachers can have a plethora of benefits in their study with 4th Grade Go Math Answer Key PDF. Practice using the Step by step solutions provided for Go Math 4th Standard Questions. They are as follows

• Go Math 4th Grade Answer Key will be of extreme help for candidates of Primary School to lay a deeper understanding of fundamentals.
• Solved Examples and Various Practice Questions covered as a part of Go Math Answer Key gives you insight into different kinds of questions.
• 4th Standard Go Math Solution Key provided encourages students anywhere and anytime mathematical thinking.
• Solutions prepared for 4th Grade Math are as per the Leading Curriculum and helps you score better grades in the exams.

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• Grade 4 HMH Go Math - Answer Keys

Explanation:

Tell whether the fractions are equivalent. Write = or ≠. 

Jamal finished \(\frac{5}{6}\) of his homework. Margaret finished \(\frac{3}{4}\) of her homework, and Steve finished \(\frac{10}{12}\) of his homework. Which two students finished the same amount of homework?

Sophia’s vegetable garden is divided into 12 equal sections. She plants carrots in 8 of the sections. Write two fractions that are equivalent to the part of Sophia’s garden that is planted with carrots.

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Go Math Grade 4 Answer Key Homework Practice FL Chapter 13: Algebra: Perimeter and Area

Are you viewing for Go Math Grade 4 Answer Key Homework Practice FL Chapter 13 Algebra: Perimeter and Area? This is the correct page for you. We have listed chapterwise Go math grade 4 practice FL Answer key along with homework practice FL solution Key on our site. So, you can learn the concepts in an understanding manner & score maximum scores in the assessments and standardized tests. Hence, download the HMH Go Math 4th Grade Chapter 13 Perimeter and Area Answer key to find out the area & perimeter of the rectangle & square quickly & easily.

Go Math Grade 4 Ch 13 Answer Key includes topics covered in Algebra: Perimeter and Area. Students who are pursuing 4th grade can find the HMH Go Math Grade 4 Solution Key Chapter 13 Algebra: Perimeter and Area extremely useful. Simply identify your preparation level and weak areas by practicing and solving the questions from 4th Grade Go Math Answer Key Chapter 13 Algebra: Perimeter and Area. Tap on the below provided links and check the detailed explanation for each and every question covered here.

Lesson: 1 – Perimeter

Common Core – Algebra: Perimeter and Area – Page No. 247

Common core – algebra: perimeter and area – page no. 248.

Lesson: 2 – Area

Common Core – Algebra: Perimeter and Area – Page No. 249

Common core – algebra: perimeter and area – page no. 250.

Lesson: 3 – Area of Combined Rectangles

Common Core – Algebra: Perimeter and Area – Page No. 251

Common core – algebra: perimeter and area – page no. 252.

Lesson: 4 – Find Unknown Measures

Common Core – Algebra: Perimeter and Area – Page No. 253

Common core – algebra: perimeter and area – page no. 254.

Lesson: 5 – Problem Solving Find the Area

Common Core – Algebra: Perimeter and Area – Page No. 255

Common core – algebra: perimeter and area – page no. 256, common core – algebra: perimeter and area – page no. 257.

• Common Core – Algebra: Perimeter and Area – Page No. 258

Find the perimeter of the rectangle or square.

Explanation: Given, sides = 8 m we know that the perimeter of a square is 4×s P = 4 × s P = 4 × 8m P = 32m Therefore the perimeter of the above square is 32m

Explanation: Given, Length (L) = 10 ft Width (W) = 12 ft we know that the perimeter of a Rectangle is L + L+ W + W P = L + L+ W + W P = 10 ft + 10 ft + 12 ft + 12 ft P = 44 ft Therefore the perimeter of the above Rectangle is 44 ft

Remember: The perimeter is the total distance around the outside, which can be found by adding together the length of each side. In the case of a rectangle, opposite sides are equal in length, so the perimeter is twice its width plus twice its height.

Answer: 108

Explanation: Given, Length (L) = 30 cm Width (W) = 24 cm we know that the perimeter of a Rectangle is L + L+ W + W P = L + L+ W + W P = 30 cm + 30 cm + 24 cm + 24 cm P = 108 cm Therefore the perimeter of the above Rectangle is 108 cm

Answer: 216

Explanation: Given, Length (L) = 25 in. Width (W) = 83 in. we know that the perimeter of a Rectangle is L + L+ W + W P = L + L+ W + W P = 25 in. + 25 in. + 83 in. + 83 in. P = 216 in. Therefore the perimeter of the above Rectangle is 216 in.

Answer: 240

Explanation: Given, sides = 60 m we know that the perimeter of a square is 4×s P = 4×s P = 4×60 m P = 240 m Therefore the perimeter of the above square is 240 m

Problem Solving

Question 7. Troy is making a flag shaped like a square. Each side measures 12 inches. He wants to add ribbon along the edges. He has 36 inches of ribbon. Does he have enough ribbon? Explain. _____

Answer: no. He needs 48 inches of ribbon.

Explanation: Since each side is 12 inches, then multiply 12 by 4 since it’s a square and has 4 sides which make 48. 48 is bigger than 36. Therefore, Troy does not have enough ribbon.

Question 8. The width of the Ochoa Community Pool is 20 feet. The length is twice as long as its width. What is the perimeter of the pool? _____ feet

Answer: 120

Explanation:

Width of the Ochoa community pool = 20 feet Length is twice as long as its width = 2(20) = 40 feet Use this formula to get perimeter = 2(w) + 2(L) then the perimeter equals to = 2(20)+ 2(40) P = 40 feet + 80 feet  = 120 feet Therefore The perimeter of the pool is 120 feet.

Lesson Check

Question 1. What is the perimeter of a square window with sides 36 inches long? Options: a. 40 inches b. 72 inches c. 144 inches d. 1,296 inches

Answer: 144 inches

Explanation: Perimeter of a square = L + L + L + L = 4L From the question given L=36 inches substitute the value of L into the formula Perimeter of a square (P)= L + L + L + L P = 36 in. + 36 in.. +36 in.+ 36 in. P =144 inches Therefore the perimeter of a square window with sides 36 inches long is 144 inches.

Answer: 18 meters

Explanation: Given, Length (L) = 5 m Width (W) = 4 m we know that the perimeter of a Rectangle is L + L+ W + W P = L + L+ W + W P = 5 m + 5 m + 4 m + 4 m P = 18 m Therefore the perimeter of the above Rectangle is 18 m Thus the correct answer is option c.

Spiral Review

Answer: 90°

Explanation: Right angle: An angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines. As we can see in the figure, that an angle is made at the intersection of the two perpendicular straight lines, thus the figure will be definitely a right-angled figure. Therefore, the measure of the angle Natalie draw is 90°. Thus the correct answer is option b.

Question 4. Ethan has 3 pounds of mixed nuts. How many ounces of mixed nuts does Ethan have? Options: a. 30 ounces b. 36 ounces c. 48 ounces d. 54 ounces

Answer: 48 ounces

Explanation: Since we have given that Number of pounds of mixed nuts = 3 As we know that 1 pound = 16 ounces So, we need to find the number of ounces of mixed nuts Ethan has. So, the number of ounces of mixed nuts Ethan have is given by = 3 × 16 = 48 ounces Thus the correct answer is option c.

Explanation: It has only one line of symmetry on the horizontal axis because it is an arrow. Thus the correct answer is option b.

Question 6. Which of the following comparisons is correct? Options: a. 0.70 > 7.0 b. 0.7 = 0.70 c. 0.7 < 0.70 d. 0.70 = 0.07

Answer: 0.7 = 0.70 The decimal 0.7 and 0.70 are the same so the correct answer is option b.

Find the area of the rectangle or square.

Answer: 108 Square feet

Explanation: Given, Height (h) = 9 ft. Breath (b) = 12 ft. Area of the rectangle  A = b×h A = 12 ft × 9 ft A = 108 Square feet. Therefore the Area of the rectangle is 108 Square feet.

Explanation: Given, Sides (s) = 8 yd Area of the square. A = s×s A = 8 yd × 8 yd A = 64 Square yards Therefore the Area of the square is 64 Square yards.

Explanation: Given, Height (h) = 3 m Breath (b) = 15 m Area of the rectangle or square. A = b×h A = 3 m× 15 m A = 45 Square meters Therefore the Area of the rectangle is 45 Square meters

Explanation: Given, Height (h) = 6 in. Breath (b) = 13 in. Area of the rectangle =  A = b×h A = 6 in. × 13 in. A = 78 square inches Therefore the Area of the rectangle is 78 square inches.

Answer: 150 square cm

Explanation: Given, Height (h) = 5 cm Breath (b) = 30 cm Area of the rectangle or square. A = b×h A =  5 cm × 30 cm A = 150 square centimeters Therefore the Area of the rectangle is 150 square centimeters.

Answer: 56 square ft

Explanation: Given, Height (h) = 4 ft Breath (b) = 14 ft Area of the rectangle or square. A = b×h A = 4 ft × 14 ft A = 56 square feet Therefore the Area of the rectangle is 56 square feet.

Question 7. Meghan is putting wallpaper on a wall that measures 8 feet by 12 feet. How much wallpaper does Meghan need to cover the wall? _____ square feet wallpaper

Answer: 96 square feet wallpaper

Explanation: Given, Length = 8 feet. Width = 12 feet. the area (area=length × width) area=8 × 12 area=96 square feets. Therefore the area is always expressed in units squared it would be 96 square feet of wallpaper.

Question 8. Bryson is laying down sod in his yard to grow a new lawn. Each piece of sod is a 1-foot by 1-foot square. How many pieces of sod will Bryson need to cover his yard if his yard measures 30 feet by 14 feet? _____ pieces

Answer: 420 pieces

Explanation: Given, length (l) = 30 ft Breath (b) = 14 ft Area of the rectangle or square. A = l×b A = 30 ft × 14 ft A = 420 Therefore 420 pieces of sod will Bryson need to cover his yard if his yard measures 30 feet by 14 feet.

Question 1. Ellie and Heather drew floor models of their living rooms. Ellie’s model represented 20 feet by 15 feet. Heather’s model represented 18 feet by 18 feet. Whose floor model represents the greater area? How much greater? Options: a. Ellie; 138 square feet b. Heather; 24 square feet c. Ellie; 300 square feet d. Heather; 324 square feet

Answer: Heather; 24 square feet

Given, Ellie’s model represented 20 feet by 15 feet. Heather’s model represented 18 feet by 18 feet. Length of Ellie’s model = 20 feet Width of Ellie’s model = 15 feet Area = Length × Breadth A = 20 × 15 A = 300 ft² Length of Heather’s model = 18 feet Width of Heather’s model = 18 feet Area = Length × Breadth A= 18 × 18 A= 324 ft² Therefore Heather’s model has a greater area by (324-300)= 24 sq.ft. Thus the correct answer is option b.

Question 2. Tyra is laying down square carpet pieces in her photography studio. Each square carpet piece is 1 yard by 1 yard. If Tyra’s photography studio is 7 yards long and 4 yards wide, how many pieces of square carpet will Tyra need? Options: a. 10 b. 11 c. 22 d. 28

Explanation: Given, Tyra’s photography studio  length is 7 yards Tyra’s photography studio width is  4 yards Area = Length × Breadth Area = 7 yards × 4 yards Area = 28 square yards Therefore as Each square carpet piece is 1 yard by 1 yard. No.of pieces of square carpet Tyra needed is 28. Thus the correct answer is option d.

Question 3. Typically, blood fully circulates through the human body 8 times each minute. How many times does blood circulate through the body in 1 hour? Options: a. 48 b. 240 c. 480 d. 4,800

Answer: 480

Explanation: Given, blood fully circulates through the human body 8 times each minute one hour = 60 minutes blood circulates through the body in 1 hour = 8 times × 60 minutes. = 480 Times. Therefore blood circulates through the body in 1 hour is 480 times. Thus the correct answer is option c.

Question 4. Each of the 28 students in Romi’s class raised at least $25 during the jump-a-thon. What is the least amount of money the class raised? Options: a. $5,200 b. $700 c. $660 d. $196

Answer: $700

explanation: If each of the 28 students made at least $25, you would multiply 28 and 25 together to obtain the least amount of money the class raised. That gets, 28×25 = 700. Therefore The class made at least $700. Thus the correct answer is option b.

Answer: 28 feet

Explanation: From the above figure we can observe that there area 2 rows and 12 columns. L = 12 feet W = 2 feet We know that perimeter of the rectangle is 2l + 2w P = 2l + 2w P = 2(12) + 2(2) P = 24 feet + 4 feet P = 28 feet Thus the correct answer is option d.

Question 6. Ryan is making small meat loaves. Each small meat loaf uses \(\frac{3}{4 }\) pound of meat. How much meat does Ryan need to make 8 small meat loaves? Options: a. 4 pounds b. 6 pounds c. 8 pounds d. 10 \(\frac{2}{3}\) pounds

Answer: 6 pounds

Explanation: Given, 3/4 pound=1 small meatloaf So Multiply 3/4 pound by 8 because he wants to make 8 small meatloaves. = 3/4 × 8 = 24/4 (24 divided by 4) = 6 pounds Therefore Ryan need 6 pounds to make 8 small meat loaves. Thus the correct answer is option b.

Area of Combined Rectangles

Find the area of the combined rectangles.

Answer: 143

Explanation: Divide the figure into two parts Figure 1: L = 9 ft W = 5 ft Area of the rectangle = l × w A = 9 ft × 5 ft = 45 sq. ft Figure 2: L = 14 ft W = 7 ft Area of the rectangle = l × w A = 14 ft × 7 ft = 98 sq. ft Area of the combined rectangles = 98 sq. ft + 45 sq. ft = 143 sq. ft.

Explanation: Divide the figure into two parts Figure 1: L = 9 in. W = 5 in. Area of the rectangle = l × w A = 9 in. × 5 in. = 45 sq. in. Figure 2: L = 3 in. W = 6 in. Area of the rectangle = l × w A = 3 in. × 6 in. = 18 sq. in. Area of the combined rectangles = 45 sq. in + 18 sq. in = 63 square inches.

Answer: 50 square feet

Explanation: Divide the figure into two parts Figure 1: L = 4 ft W = 2 ft Area of the rectangle = l × w A = 4 ft × 2 ft = 8 sq. ft Figure 2: L = 6 ft W = 7 ft Area of the rectangle = l × w A = 6 ft × 7 ft = 42 sq. ft Area of the combined rectangles = 8 sq. ft + 42 sq. ft = 50 sq. ft.

Answer: 180 square centimeters

Explanation: Divide the figure into two parts Figure 1: L = 12 cm W = 7 cm Area of the rectangle = l × w A = 12 cm × 7 cm = 84 sq. cm. Figure 2: L = 16 cm W = 6 cm Area of the rectangle = l × w A = 16 cm × 6 cm = 96 sq. cm Area of the combined rectangles = 84 sq. cm + 96 sq. cm = 180 square centimeters

Explanation: Divide the figure into two parts Figure 1: L = 20 yd W = 1 yd Area of the rectangle = l × w A = 20 yd × 1 yd = 20 sq. yd. Figure 2: L = 6 yard W = 8 yard Area of the rectangle = l × w A = 6 yard × 8 yard = 48 sq. yard Area of the combined rectangles = 20 sq. yd + 48 sq. yd = 68 square yards

Use the diagram for 7–8.

Question 7. What is the area of the space that Nadia has shown for scrapbooking? _____ square feet

Explanation: The length of the Scrapbooking is 13 ft Width of the Scrapbooking is 4 ft Area of the rectangle = l × w A = 13 ft × 4 ft = 52 square feet Thus the area of the space that Nadia has shown for scrapbooking is 52 square feet.

Question 8. What is the area of the space she has shown for painting? _____ square feet

Explanation: The area of the space shown for painting is square. side = 5 ft The area of the square is 5 ft × 5 ft = 25 sq. ft Thus the area of the space she has shown for painting is 25 square feet.

Answer: 76 square yards

Explanation: Divide the figure into two parts Figure 1: L = 8 yd W = 5 yd Area of the rectangle = l × w A = 8 yd × 5 yd = 40 sq. yd. Figure 2: L = 12 yard W = 3 yard Area of the rectangle = l × w A = 12 yard × 3 yard = 36 sq. yard Area of the combined rectangles = 40 sq. yd + 36 sq. yd = 76 square yards Therefore the correct option is c.

Question 2. Marquis is redecorating his bedroom. What could Marquis use the area formula to find? Options: a. how much space should be in a storage box b. what length of wood is needed for a shelf c. the amount of paint needed to cover a wall d. how much water will fill up his new aquarium

Answer: the amount of paint needed to cover a wall The correct answer is option c.

Question 3. Giraffes are the tallest land animals. A male giraffe can grow as tall as 6 yards. How tall would the giraffe be in feet? Options: a. 2 feet b. 6 feet c. 12 feet d. 18 feet

Answer: 18 feet

Explanation: Given, Giraffes are the tallest land animals. A male giraffe can grow as tall as 6 yards. we have to find How tall would the giraffe be in feet Converting from Yards to feet. one Yard = 3 Feet. So 6 yards = 6 × 3 feet = 18 feet Therefore the correct option is d.

Question 4. Drew purchased 3 books for $24. The cost of each book was a multiple of 4. Which of the following could be the prices of the 3 books? Options: a. $4, $10, $10 b. $4, $8, $12 c. $5, $8, $11 d. $3, $7, $14

Answer: $4, $8, $12

Explanation: Given, Drew purchased 3 books for $24. The cost of each book was a multiple of 4. To find the prices of the 3 books The cost of one book is $4 the cost of two books is $4 × 2 = $8 The cost of three books is $4 × 3 = $12 Therefore the correct option is b.

Question 5. Esmeralda has a magnet in the shape of a square. Each side of the magnet is 3 inches long. What is the perimeter of her magnet? Options: a. 3 inches b. 7 inches c. 9 inches d. 12 inches

Answer: 12 inches

Explanation: Given, Esmeralda has a magnet in the shape of a square. Each side of the magnet is 3 inches long. To find the perimeter of her magnet P = 4 × s P = 4 × 3 in. P = 12 in. Therefore the correct option is d.

Answer: 63 square feet

Explanation: Given, Height (h) = 7 ft. Breath (b) = 9 ft. Area of the rectangle  A = b×h A = 7 ft × 9 ft A = 63 Square feet. The Area of the rectangle is 63 Square feet. Therefore the correct option is a.

Find Unknown Measures

Find the unknown measure of the rectangle.

Answer: 12 meters

Explanation: Given Perimeter = 42 meters width = 9 m To find Length (l) of the rectangle P = (2 × l) + (2 × w) 42 = (2 × l ) + (2 × 9) 42 = 2l + 18 2l = 42 – 18 2l = 24 l = 24/2 l = 12 m Thus the length of the above rectangle is 12 m

Answer: 7 centimeters

Explanation: Given Area = 28 square centimeters length  = 4 cm To find Height (w) of the rectangle A = l × w 28 = 4 cm × w w = 28/4 w = 7 cm Thus the height of the above rectangle is 7 cm

Answer: 8 inches

Explanation: Given Area = 200 square inches width  = 25 in. To find Base (b) of the rectangle A = w × b 200 = 25 in. × b b = 200/25 b = 8 inches Thus the base of the above rectangle is 8 inches

Question 5. Susie is an organic vegetable grower. The perimeter of her rectangular vegetable garden is 72 yards. The width of the vegetable garden is 9 yards. How long is the vegetable garden? length = _____ yards

Answer: 27 yards

Explanation: Given, The perimeter (P) of her rectangular vegetable garden is 72 yards. The width (w) of the vegetable garden is 9 yards. to find length (l) P = (2 × l) + (2 × w) 72 yards  = (2 × l ) + (2 × 9 yards) 72 = 2l + 18 2l = 72 – 18 2l = 54 l = 54/2 l = 27 yards Therefore length = 27 yards

Question 6. An artist is creating a rectangular mural for the Northfield Community Center. The mural is 7 feet tall and has an area of 84 square feet. What is the length of the mural? length = _____ feet

Answer: 12 feet

Explanation: Given, The mural is 7 feet (w) tall and has an area of 84 square feet(A). To find the length (l) A = l × w 84 = l × 7 l = 84 /7 l= 12 feets Therefore the length is 12 feets

Question 1. The area of a rectangular photograph is 35 square inches. If the width of the photo is 5 inches, how tall is the photo? Options: a. 5 inches b. 7 inches c. 25 inches d. 30 inches

Answer: 7 inches

Explanation: Given, The area of a rectangular photograph is 35 square inches (A) The width of the photo is 5 inches (w) To find how tall is the photo (l) A= l × b 35 square in. = l × 5 in. l = 35/5 l = 7 inches Therefore the photo height is 7 inches. Thus the correct answer is option b.

Question 2. Natalie used 112 inches of blue yarn as a border around her rectangular bulletin board. If the bulletin board is 36 inches wide, how long is it? Options: a. 20 inches b. 38 inches c. 40 inches d. 76 inches

Answer: 20 inches

Explanation: Given width is 36 in and the total inches used was 112. To find length Perimeter of Rectangle = 2(L + W) Your equation is, 2(L + 36) = 112 Solving for L: 2(L + 36) = 112 L + 36 = 112 / 2 L + 36 = 56 L = 56 – 36 L = 20 Therefore the correct option is a.

Question 3. A professional basketball court is in the shape of a rectangle. It is 50 feet wide and 94 feet long. A player ran one time around the edge of the court. How far did the player run? Options: a. 144 feet b. 194 feet c. 238 feet d. 288 feet

Answer: 288 feet

Explanation: Given, the basketball court is 50 feet wide and 94 feet long The perimeter of the rectangle(P) is given by: P = 2(length + width) 50 + 94 = 144 144 x 2 = 288 The player ran 288 feet Therefore the correct option is d.

Question 4. On a compass, due east is a \(\frac{1}{4}\) turn clockwise from due north. How many degrees are in a \(\frac{1}{4}\) turn? Options: a. 45° b. 60° c. 90° d. 180°

Explanation: We have been given that on a compass, due east is a 1/4 turn clockwise from due north. Since we know that a compass is in form of a circle and the measure of degrees in a circle is 360 degrees. To find the number of degrees in a one-fourth turn, we will divide 360° by 4. Number of degrees in a 1/4 turn of compass = 360°/4 Number of degrees in a 1/4 turn of compass = 90° Therefore, there are 90 degrees in a 1/4 turn of the compass. The correct option is c.

Question 5. Hakeem’s frog made three quick jumps. The first was 1 meter. The second jump was 85 centimeters. The third jump was 400 millimeters. What was the total length of the frog’s three jumps? Options: a. 189 centimeters b. 225 centimeters c. 486 centimeters d. 585 millimeters

Answer: 225 centimeters

Explanation: Given: distance of first jump = d1= 1 meter distance of second jump = d2 = 85 centimeters distance of third jump = d3 = 400 millimeters This problem is about the conversion unit of length. We have to recall that : 1 m = 100 cm 1 m = 1000 mm Total distance = d = d1 + d2 + d3 d = 1 m + 85 m + 400 mm d = 1 m + 85/100 m + 400/1000 m d = 2.25  × 100 cm d = 225 centimeters Therefore the correct option is b.

Question 6. Karen colors in squares on a grid. She colored \(\frac{1}{8}\) of the squares blue and \(\frac{5}{8}\) of the squares red. What fraction of the squares are not colored in? Options: a. \(\frac{1}{8}\) b. \(\frac{1}{4}\) c. \(\frac{1}{2}\) d. \(\frac{3}{4}\)

Answer: \(\frac{1}{4}\)

Explanation: since karen colored in 1/8 and 5/8 you add the numerators to get 6/8 you subtract the 8/8 the whole grid from 6/8 to get 2/8 ⇒ 1/8 + 5/8 = 6/8 ⇒ 8/8 – 6/8 = 2/8 = 1/4 There fore the correct option is b.

Problem Solving Find the Area

Solve each problem.

Answer: 96 square feet

Explanation: The area of the square window is 4 ft × 4 ft = 16 square feet. Area of the rectangle = 14 ft × 8 ft = 112 square feet Now we have to find the area of the wall NOT including the window 112 square feet – 16 square feet = 96 square feet Thus the area of the wall NOT including the window is 96 square feet.

Answer: 235 square yards

Explanation: The area of the non-shaded rectangle is 5 yd × 9 yd = 45 square yards. The area of the rectangle is 20 yd × 14 yd = 280 square yard The area covered with new sod is 280 square yard – 45 square yard = 235 square yards.

Question 4. A rectangular painting is 24 inches wide and 20 inches tall without the frame. With the frame, it is 28 inches wide and 24 inches tall. What is the area of the frame not covered by the painting? The area of the frame = _____ square inches

Answer: 192 square inches

Explanation: area of painting without frame A1 = l × b = 24 x 20 = 480 square inches area of painting with frame A2 = l × b =28×24 =672 square inches area of the frame not covered by paint =area with frame(A1) – area without frame(A2) =672 – 480 =192 Therefore the area of the frame is 192 square inches

Question 5. One wall in Jeanne’s bedroom is 13 feet long and 8 feet tall. There is a door 3 feet wide and 6 feet tall. She has a poster on the wall that is 2 feet wide and 3 feet tall. How much of the wall is visible? The area of the wall visible = _____ square feet

Explanation: One wall in Jeanne’s bedroom is 13 feet long and 8 feet tall. There is a door 3 feet wide and 6 feet tall. She has a poster on the wall that is 2 feet wide and 3 feet tall. 13 × 8 is 104. 104 – (3×6) and -(2 × 3) is 80 Thus the area of the wall visible is 80 square feet.

Question 1. One wall in Zoe’s bedroom is 5 feet wide and 8 feet tall. Zoe puts up a poster of her favorite athlete. The poster is 2 feet wide and 3 feet tall. How much of the wall is not covered by the poster? Options: a. 16 square feet b. 34 square feet c. 35 square feet d. 46 square feet

Answer: 34 square feet

Explanation: One wall in Zoe’s bedroom is 5 feet wide and 8 feet tall. Area of the rectangle = l × w A = 5 feet × 8 feet A = 40 square feet Zoe puts up a poster of her favorite athlete. The poster is 2 feet wide and 3 feet tall. Area of the rectangle = l × w A = 2 feet × 3 feet S = 6 square feet To find: How much of the wall is not covered by the poster, we need to subtract 6 square feet from 40 square feet 40 square feet – 6 square feet = 34 square feet Thus the are of the wall is not covered by the poster is 34 square feet. The correct answer is option b.

Question 2. A garage door is 15 feet wide and 6 feet high. It is painted white, except for a rectangular panel 1 foot high and 9 feet wide that is brown. How much of the garage door is white? Options: a. 22 square feet b. 70 square feet c. 80 square feet d. 81 square feet

Answer: 81 square feet

Explanation: Given that the garage door is 15 feet wide and 6 feet high. W = 15 feet H = 6 feet Area of the rectangle = l × w A = 6 feet × 15 feet A = 90 square feet It is painted white, except for a rectangular panel 1 foot high and 9 feet wide that is brown. H = 1 foot W = 9 feet Area of the rectangle = l × w A = 1 feet × 9 feet A = 9 feet To find: How much of the garage door is white, we need to subtract 9 feet from 90 feet. 90 feet – 9 feet = 81 feet. Thus the area of the garage door is white is 81 square feet. The correct answer is option d.

Question 3. Kate baked a rectangular cake for a party. She used 42 inches of frosting around the edges of the cake. If the cake was 9 inches wide, how long was the cake? Options: a. 5 inches b. 12 inches c. 24 inches d. 33 inches

Explanation: Given, Kate baked a rectangular cake for a party. She used 42 inches of frosting around the edges of the cake. The width of the cake is 9 inches. 9 + 9 = 18 42 – 18 = 24 24 / 2 = 12 the length is 12 inches Thus the correct answer is option b.

Question 4. Larry, Mary, and Terry each had a full glass of juice. Larry drank \(\frac{3}{4}\) of his. Mary drank \(\frac{3}{8}\) of hers. Terry drank \(\frac{7}{10}\) of his. Who drank less than \(\frac{1}{2}\) of their juice? Options: a. Larry b. Mary c. Mary and Terry d. Larry and Terry

Answer: Mary Mary drank the least because when half of 8 is \(\frac{4}{8}\). The correct answer is option b.

Question 5. Which of the following statements is NOT true about the numbers 7 and 9? Options: a. 7 is a prime number. b. 9 is a composite number. c. 7 and 9 have no common factors other than 1. d. 27 is a common multiple of 7 and 9.

Answer: 27 is a common multiple of 7 and 9.

Explanation: Statement 27 is a common multiple of 7 and 9 is false because 27 is not the multiple of 7. Thus the correct answer is option d.

Question 6. Tom and some friends went to a movie. The show started at 2:30 P.M. and ended at 4:15 P.M. How long did the movie last? Options: a. 1 hour 35 minutes b. 1 hour 45 minutes c. 1 hour 55 minutes d. 2 hours 15 minutes

Answer: 1 hour 45 minutes

Explanation: Given, Tom and some friends went to a movie. The show started at 2:30 P.M. and ended at 4:15 P.M. Subtract ending time and starting time. 4 hr 15 min -2 hr 30 min 1 hr 45 min Thus the correct answer is option B.

Lesson 13.1

Explanation: Given, Length (L) = 16 ft Width (W) = 9 ft we know that the perimeter of a Rectangle is L + L+ W + W P = L + L+ W + W P = 16 ft + 16 ft + 9 ft + 9 ft P = 50 ft Therefore the perimeter of the above Rectangle is 50 ft

Explanation: Given, sides = 13 in. we know that the perimeter of a square is 4×s P = 4 × 13 in. P = 4 × 13 in. P = 52 in. Therefore the perimeter of the above square is 52 in.

Answer: 130

Explanation: Given, Length (L) = 40 cm Width (W) = 25 cm we know that the perimeter of a Rectangle is L + L+ W + W P = L + L+ W + W P = 40 cm + 40 cm + 25 cm + 25 cm P = 130 cm Therefore the perimeter of the above Rectangle is 130 cm.

Explanation: Given, Length (L) = 16 m Width (W) = 18 m we know that the perimeter of a Rectangle is L + L+ W + W P = L + L+ W + W P = 16 m+ 16 m+ 18 m+ 18 m P = 68 m Therefore the perimeter of the above Rectangle is 68 m.

Lesson 13.2

Answer: 180

Explanation: Given, Height (h) = 15 in. Breath (b) = 12 in. Area of the rectangle =  A = b×h A = 12 in. × 15 in. A = 180 square inches Therefore the Area of the rectangle is 180 square inches.

Answer: 300

Explanation: Given, Height (h) = 15 yd Breath (b) = 20 yd Area of the rectangle =  A = b×h A = 15 yd. × 20 yd A = 300 square yard Therefore the Area of the rectangle is 300 square yards.

Explanation: Given, Sides (s) = 5 km Area of the square. A = s×s A = 5 km × 5 km A = 25 Square km Therefore the Area of the square is 25 square km.

Explanation: Given, Height (h) = 14 ft Breath (b) = 7 ft Area of the rectangle =  A = b×h A = 14 ft. × 7 ft A = 98 square ft Therefore the Area of the rectangle is 98 square ft.

Page No: 258

Lesson 13.3

Answer: 116 square cm

Explanation: Divide the figure into two parts Figure 1: L = 6 cm Area of the square = s × s A = 6 cm × 6 cm = 36 sq. cm. Figure 2: L = 10 cm W = 8 cm Area of the rectangle = l × w A = 10 cm × 8 cm = 80 sq. cm Area of the combined rectangles = 36 sq. cm + 80 sq. cm = 116 square centimeters

Answer: 112 square in.

Explanation: Divide the figure into two parts Figure 1: L = 8 in. W = 4 in. Area of the rectangle = l × w A = 8 in. × 4 in. = 32 sq. in. Figure 2: L = 4 in. W = 12 in. Area of the rectangle = l × w A = 4 in. × 12 in. = 48 sq. in. Figure 3: L = 8 in. W = 4 in. Area of the rectangle = l × w A = 8 in. × 4 in. = 32 sq. in. Area of the combined rectangles = 32 sq. in + 48 sq. in + 32 sq. in. = 112 square inches.

Lesson 13.4

Answer: 25 feet

Explanation: A = 375 sq. ft h = 15 ft Area of the rectangle =  A = b×h 375 sq. ft = b × 15 ft b = 375/15 = 25 ft Thus the base of the figure is 25 ft.

Answer: 8 mi

Explanation: A = 56 sq. mi b = 7 mi Area of the rectangle =  A = b×h 56 sq. mi = 7 mi × h h = 56/7= 8 mi Thus the height of the figure is 8 mi.

Lesson 13.5

Question 5. Jeanette is painting a rectangular wall that is 10 feet long and 8 feet tall. There is a window that is 5 feet wide and 3 feet tall on the wall. What is the area of the wall that Jeannette will paint? ____ square feet

Answer: 65 square feet

Explanation: Given, Jeanette is painting a rectangular wall that is 10 feet long and 8 feet tall. There is a window that is 5 feet wide and 3 feet tall on the wall. 8 times 10 is eighty, then you need to subtract 3 times 5 (which is 15), and that makes it 65 feet squared. 80 sq. ft – 15 sq. ft = 65 square feet

Question 6. Rob has a combined flower and vegetable garden that is 9 meters long and 11 meters wide. The flower garden is in the center and is a square with sides of 3 meters. How many square meters of the garden is used for vegetables? ____ square meters

Answer: 90 square meters

Explanation: First, you would need to find the area of both the FULL veggie garden and flower garden. Veggie Garden = 9×11 = 99 Flower Garden = 3×3 = 9 Then you would subtract the area of the veggie garden by the area of the flower garden. 99 – 9 = 90 meters squared

Conclusion:

Just solve all exercise questions and cross-check your solutions from Go Math Grade 4 Solution Key Chapter 13  Algebra Perimeter and Area . Like this, you can easily examine your strengths and weaknesses and focus on the areas you are faltering. Step-by-step Solutions presented here in the 4th Grade Go Math Answer Key Chapter Algebra Perimeter and Area useful for homework help and gain subject knowledge perfectly.

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Go Math! 5 Student Edition, Grade: 5 Publisher: Houghton Mifflin Harcourt

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