7.1 5th grade homework answers

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Texas Go Math Grade 5 Lesson 7.1 Answer Key Factors and Divisibility

Refer to our Texas Go Math Grade 5 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 5 Lesson 7.1 Answer Key Factors and Divisibility.

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Math Idea A factor of a number divides the number evenly. This means the quotient is a whole number and the remainder is 0.

Math Talk Mathematical Processes

Explain how the model relates to the quotient and remainder for 32 ÷ 3. Answer:

Is 6 a factor of 72? Think: If 72 is divisible by 6, then 6 is a factor of 72. Test for divisibility by 6: Is 72 even? _______ What is the sum of the digits of 72? _______ + _______ = _______ Is the sum of the digits divisible by 3? _______________________ 72 is divisible by _______. So, 6 is a factor of 72. Answer: If 72 is divisible by 6, then 6 is a factor of 72. Test for divisibility by 6: Is 72 even? Yes 72 is even. What is the sum of the digits of 72? 7 + 2 = 9 Is the sum of the digits divisible by 3? Yes the sum of digits is 9. So 9 is divisible by 3. 72 is divisible by 6 . So, 6 is a factor of 72.

How are divisibility and factors related? Explain. Answer: Divisibility rules are a collection of general rules that we use to check if a given number is entirely divisible by another number. Point out that “divisible by” means that when we divide one number by another, the result is a whole number. That is, a number ‘a’ is divisible by another number ‘b’ if the division a ÷ b is exact (no remainder). For example, 12 ÷ 4 = 3; therefore, 12 is divisible by 4. Also, 12 is divisible by 3, because we can write the other division 12 ÷ 3 = 4. So, 12 is divisible by both 4 and 3. We can also say 4 and 3 are divisors or factors of 12. A factor of a number divides the number evenly. This means the quotient is a whole number and the remainder is 0.

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Is 5 a factor of the number? Write yes or no.

5th Grade Go Math Answer Key Lesson 7.1 Question 2. 27 Answer: No , 5 is not a factor of 27. Explanation: A factor of a number divides the number evenly. This means the quotient is a whole number and the remainder is 0. In this case the remainder is 2 and the quotient is not a whole number. So 5 is not a factor of 27.

Question 3. 30 Answer: Yes , 5 is a factor of 30. Explanation: A factor of a number divides the number evenly. This means the quotient is a whole number and the remainder is 0. In this case the remainder is 0 and the quotient is 6. We know that 6 is a whole number. So 5 is a factor of 30.

Question 4. 36 Answer: No , 5 is not a factor of 36. Explanation: A factor of a number divides the number evenly. This means the quotient is a whole number and the remainder is 0. In this case the remainder is 1 and the quotient not a whole number. So 5 is not a factor of 36.

Question 5. 53 Answer: No , 5 is not a factor of 53. Explanation: A factor of a number divides the number evenly. This means the quotient is a whole number and the remainder is 0. In this case the remainder is 3 and the quotient is not a whole number. So 5 is not a factor of 53.

Problem Solving

List all the factor pairs in the table. Use a model or paper and pencil to help.

List all the factor pairs for the number. Make a table to help.

Question 8. 56 Answer: Factor pairs of 56 are as below. 1 x 56 = 56 ⇒ (1, 56) 2 x 28 = 56 ⇒ (2, 28) 4 x 14 = 56 ⇒ (4, 14) 7 x 8 = 56 ⇒ (7, 8) Explanation: To find the pair factors, multiply the two numbers in a pair to get the original number as 56, such numbers are as follows. The pair factors of 56 are (1, 56), (2, 28), (4, 14) and (7, 8).

Question 9. 64 Answer: Factor pairs of 64 are as below. 1 x 64 = 64 ⇒ (1, 64) 2 x 32 = 64 ⇒ (2, 32) 4 x 16 = 64 ⇒ (4, 16) 8 x 8 = 64 ⇒ (8, 8) Explanation: Factors are often written as pairs of numbers, which when multiplied together give the original number. Here, the required number is 64. The pair factors of 64 are (1, 64), (2, 32), (4, 16), (8, 8).

Lesson 7.1 Practice Answer Key Go Math Grade 5 Question 10. What’s the Error? George said if 2 and 4 are factors of a number, then 8 is a factor of the number, Is he correct? Explain. Answer: No, he is not correct. Explanation: I think George is not correct because 12 is a multiple of 2 and 4 but not 8.

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Texas Go Math Grade 5 Lesson 7.1 Homework and Practice Answer Key

List all the factor pairs in the table.

Question 3. 18 Answer: The factor pairs of 18 are as below. 1 x 18 = 18 ⇒ (1, 18) 2 x 9 = 18 ⇒ (2, 9) 3 x 6 = 18 ⇒ (3, 6) Explanation: The numbers which are multiplied together give 18 are called pair factors of 18. The pair factor of 18 can be positive or negative. So, (1, 18), (2, 9) and (3, 6) are Positive Pair Factors of 18.

Question 4. 45 Answer: The factor pairs of 45 are as below. 1 x 45 = 45 ⇒ (1, 45) 3 x 15 = 45 ⇒ (3, 15) 5 x 9 = 45 ⇒ (5, 9) Explanation: The numbers which are multiplied together give 45 are called pair factors of 45. The pair factor of 45 can be positive or negative. So, (1, 45), (3, 15) and (5, 9) are Positive Pair Factors of 45.

Question 5. 36 Answer: The factor pairs of 36 are as below. 1 x 36 = 36 ⇒ (1, 36) 2 x 18 = 36 ⇒ (2, 18) 3 x 12= 36 ⇒ (3, 12) 4 x 9 = 36 ⇒ (4, 9) 6 x 6 = 36 ⇒ (6, 6) Explanation: The numbers which are multiplied together give 36 are called pair factors of 36. The pair factor of 36 can be positive or negative. So, (1, 36), (2, 18) and (3, 12), (4, 9), (6, 6) are Positive Pair Factors of 36.

Grade 5 Go Math Answer Key Lesson 7.1 Factors and Divisibility Question 6. 63 Answer: The factor pairs of 63 are as below. 1 x 63 = 63 ⇒ (1, 63) 3 x 21 = 63 ⇒ (3, 21) 7 x 9 = 63 ⇒ (7, 9) Explanation: The numbers which are multiplied together give 63 are called pair factors of 63. The pair factor of 63 can be positive or negative. So, (1, 63), (3, 21) and (7, 9), are Positive Pair Factors of 63.

Question 7. Planners for the city’s botanical garden are planting a rose garden. They want to plant 56 rose bushes. Can they arrange the rose bushes into 4 equal rows? Explain. Answer: 56 ÷ 4 = 14 In one row they can plant 14 rose bushes. Yes, they can arrange the 56 rose bushes into 4 equal rows. Explanation: Planners for the city’s botanical garden are planting a rose garden. They want to plant 56 rose bushes into 4 equal rows. Divide 56 by 4 the result is 14. So they can arrange 14 rose bushes in one row. So, in 4 equal rows they can arrange 56 rose bushes.

Question 8. A marching band with 75 members makes two rectangular marching formations. One rectangle has 6 rows and the other rectangle has 9 rows. Explain how the members can form the two rectangles. Answer: One rectangle has 6 rows. 6 x 5 = 30 One rectangular marching have 30 members. The other rectangle has 9 rows. 9 x 5 = 45 Other rectangular marching have 45 members. Explanation: A marching band with 75 members makes two rectangular marching formations. One rectangle has 6 rows. Multiply 6 rows with 5 columns the product is 30. One rectangular marching have 30 members. The other rectangle has 9 rows. Multiply 9 with 5 the product is 45. The other rectangular marching have 45 members.

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Eureka Math Grade 5 Module 1 Lesson 7 Answer Key

Engage ny eureka math 5th grade module 1 lesson 7 answer key, eureka math grade 5 module 1 lesson 7 sprint answer key.

Question 1. 0 10 Answer:-  5

Question 2. 0 1 Answer:- 0.5

Question 3. 0 0.01 Answer:- 0.05

Question 4. 10 20 Answer:- 15

Question 5. 1 2 Answer:- 1.5

Question 6. 2 3 Answer:-2.5

Question 7. 3 4 Answer:- 3.5

Question 8. 7 8 Answer:- 7.5

Question 9. 1 2 Answer:- 1.5

Question 10. 0.1 0.2 Answer:- 0.15

Question 11. 0.2 0.3 Answer:- 0.25

Question 12. 0.3 0.4 Answer:- 0.35

Question 13. 0.7 0.8 Answer:- 0.75

Question 14. 0.1 0.2 Answer:- 0.5

Question 15. 0.01 0.02 Answer:- 0.015

Question 16. 0.02 0.03 Answer:- 0.025

Question 17. 0.03 0.04 Answer:- 0.035

Question 18. 0.07 0.08 Answer:- 0.075

Question 19. 6 7 Answer:- 6.5

Question 20. 16 17 Answer:- 16.5

Question 21. 38 39 Answer:- 38.5

Question 22. 0.4 0.5 Answer:- 0.45

Question 23. 8.5 8.6 Answer:- 8.55

Question 24. 2.8 2.9 Answer:- 2.85

Question 25. 0.03 0.04 Answer:- 0.035

Question 26. 0.13 0.14 Answer:- 0.135

Question 27. 0.37 0.38 Answer:- 0.375

Question 28. 80 90 Answer:- 85

Question 29. 90 100 Answer:- 95

Question 30. 8 9 Answer:- 8.5

Question 31. 9 10 Answer:- 9.5

Question 32. 0.8 0.9 Answer:- 0.85

Question 33. 0.9 1 Answer:- 0.95

Question 34. 0.08 0.09 Answer:- 0.085

Question 35. 0.09 0.1 Answer:- 0.095

Question 36. 26 27 Answer:- 26.5

Question 37. 7.8 7.9 Answer:- 7.85

Question 38. 1.26 1.27 Answer:- 1.265

Question 39. 29 30 Answer:- 29.5

Question 40. 9.9 10 Answer:- 9.95

Question 41. 7.9 8 Answer:- 7.95

Question 42. 1.59 1.6 Answer:- 1.595

Question 43. 1.79 1.8 Answer:- 1.795

Question 44. 3.99 4 Answer:- 3.995

Question 1. 10 20 Answer:- 15

Question 2. 1 2 Answer:- 1.5

Question 3. 0.1 0.2 Answer:- 0.5

Question 4. 0.01 0.02 Answer:- 0.015

Question 5. 0 10 Answer:- 5

Question 6. 0 1 Answer:- 0.5

Question 7. 1 2 Answer:- 1.5

Question 8. 2 3 Answer:- 2.5

Question 9. 6 7 Answer:- 6.5

Question 10. 1 2 Answer:- 1.5

Question 11. 0.1 0.2 Answer:- 0.15

Question 12. 0.2 0.3 Answer:- 0.25

Question 13. 0.3 0.4 Answer:- 0.35

Question 14. 0.6 0.7 Answer:- 0.65

Question 15. 0.1 0.2 Answer:- 0.15

Question 16. 0.01 0.02 Answer:- 0.015

Question 17. 0.02 0.03 Answer:- 0.025

Question 18. 0.03 0.04 Answer:- 0.035

Question 19. 0.06 0.07 Answer:- 0.065

Question 20. 7 8 Answer:- 7.5

Question 21. 17 18 Answer:- 17.5

Question 22. 47 48 Answer:- 47.5

Question 23. 0.7 0.8 Answer:- 0.75

Question 24. 4.7 4.8 Answer:- 4.75

Question 25. 2.3 2.4 Answer:- 2.35

Question 26. 0.02 0.03 Answer:- 0.025

Question 27. 0.12 0.13 Answer:- 0.125

Question 28. 0.47 0.48 Answer:- 0.475

Question 29. 80 90 Answer:- 85

Question 30. 90 100 Answer:- 95

Question 31. 8 9 Answer:- 8.5

Question 32. 9 10 Answer:- 9.5

Question 33. 0.8 0.9 Answer:- 0.85

Question 34. 0.9 1 Answer:- 0.95

Question 35. 0.08 0.09 Answer:- 0.085

Question 36. 0.09 0.1 Answer:- 0.095

Question 37. 36 37 Answer:- 36.5

Question 38. 6.8 6.9 Answer:- 6.85

Question 39. 1.46 1.47 Answer:- 1.465

Question 40. 39 40 Answer:- 39.5

Question 41. 9.9 10 Answer:- 9.95

Question 42. 6.9 7 Answer:- 6.95

Question 43. 1.29 1.3 Answer:- 1.295

Question 44. 6.99 7 Answer:- 6.995

Eureka Math Grade 5 Module 1 Lesson 7 Problem Set Answer Key

Fill in the table, and then round to the given place. Label the number lines to show your work. Circle the rounded number.

Eureka Math Grade 5 Module 1 Lesson 7 Exit Ticket Answer Key

Use the table to round the number to the given places. Label the number lines, and circle the rounded value. 8.546

Eureka Math Grade 5 Module 1 Lesson 7 Homework Answer Key

Question 4. On a Major League Baseball diamond, the distance from the pitcher’s mound to home plate is 18.386 meters. a. Round this number to the nearest hundredth of a meter. Use a number line to show your work.

b. How many centimeters is it from the pitcher’s mound to home plate?

Question 5. Jules reads that 1 pint is equivalent to 0.473 liters. He asks his teacher how many liters there are in a pint. His teacher responds that there are about 0.47 liters in a pint. He asks his parents, and they say there are about 0.5 liters in a pint. Jules says they are both correct. How can that be true? Explain your answer.

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Math 230: Abstract and Discrete Mathematics

Homework 2 consists of the following exercises. Due Monday September 9: 8.2, 8.4, 8.8, 8.10, 8.15. 9.2, 9.5, 9.7, 9.9, 9.11. 10.1, 10.4, 10.9, 10.12, 10.13. 11.1, 11.2, 11.4, 11.7. 12.1, 12.5, 12.9, 12.12, 12.21, 12.24, 12.30. Homework 2 Solutions . Solutions to 10.12 and 10.13 .

Homework 3 consists of the following exercises. Due Monday September 23: Read Sections 17 and 22. 17.3, 17.4, 17.5, 17.8, 17.11, 17.16, 17.21, 17.37. 22.4, 22.5, 22.6, 22.7. Solutions .

Homework 4 consists of the following exercises. Due Wednesday October 2: Read Sections 14, 15 and 16. 14.1, 14.3 (no need to prove here), 14.5, 14.6, 14.10, 14.17 (proofs required in 14.6 and 14.10). 15.1, 15.3 (no proof required here), 15.7, 15.8, 15.14, 15.15. 16.1, 16.10, 16.15. Solutions .

Homework 5 consists of the following exercises. Due Friday October 11: 22.16, 22.17 20.4, 20.5, 20.9, 20.10, 20.13. 21.3, 21.7, 21.9. Solutions .

Homework 6 consists of the following exercises. Due on Monday October 26: 24.1, 24.2, 24.5, 24.6, 24.8, 24.14, 24.16, 24.17, 24.20. Solutions . (Note: Solutions to 24.6 have some errors. 24.6a should be "all the odd integers". 24.6f should be "[0,1]"

Homework 7 consists of the following exercises. Due on Friday November 6: 25.2, 25.6, 25.7, 25.9, 25.13, 26.7, 26.9, 26.10. Also do 26.1 to practice. Solutions .

Homework 8 consists of the following exercises. Due on Friday November 20: Homework 8 Homework 8 Solutions .

Homework 9 consists of the following exercises. Due on Wednesday December 4: 54.1, 54.2, 54.3, 54.4, 54.8. 55.1, 55.2, 55.5, 55.7. 56.1, 56.5. Suggested extra work : After 54.4, think about the width of the poset defined in 54.3 for any n (Hint: Consider n even and n odd separately). 54.9 is a very good exercise to get more practice with posets. 56.7 is "alphabetical" ordering in disguise (this ordering has the more technical name of "lexicographic ordering"). Solutions .

My Math 5th Grade - Chapter 7 - 7.1 - Hands On: Numerical Expressions

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