Lesson 17 Homework 5.2 Answer Key

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If you have done the Eureka Math Lesson 17 Homework 5.2 and want to check if you did a good job, this post will show the answer key of the Lesson 17 Homework 5.2. For those who have not done your homework, you are able to solve this Homework. Try to answer all the questions first, then you are able to check the answer here.

The Answer Key for Lesson 17 Homework 5.2

For the first question, you are going to ask to estimate the quotient for several problems. In the text below, we are going to share the questions first. For the first question is done for you.

a. 821 ÷ 41
= 800 ÷ 40
= 20

b. 617 ÷ 23
= ________ ÷ ________
= _________

c. 821 ÷ 39
= ________ ÷ ________
= _________

d. 482 ÷ 52
= ________ ÷ ________
= _________

e. 531 ÷ 48
= ________ ÷ ________
= _________

f. 141 ÷ 73
= ________ ÷ ________
= _________

g. 476 ÷ 81
= ________ ÷ ________
= _________

h. 645 ÷ 69
= ________ ÷ ________
= _________

i. 599 ÷ 99
= ________ ÷ ________
= _________

j. 301 ÷ 26
= ________ ÷ ________
= _________

k. 729 ÷ 81
= ________ ÷ ________
= _________

l. 636 ÷ 25
= ________ ÷ ________
= _________

m. 835 ÷ 89
= ________ ÷ ________
= _________

n. 345 ÷ 72
= ________ ÷ ________
= _________

o. 559 ÷ 11
= ________ ÷ ________
= _________

Here are the answer key for Lesson 17 Homework 5.2:

b. 617 ÷ 23
= 600 ÷ 20
= 30

c. 821 ÷ 39
= 800 ÷ 40
= 40

d. 482 ÷ 52
= 500 ÷ 50
= 10

e. 531 ÷ 48
= 500 ÷ 50
= 10

f. 141 ÷ 73
= 140 ÷ 70
= 2

g. 476 ÷ 81
= 500 ÷ 100
= 5

h. 645 ÷ 69
= 700  ÷ 70
= 10

i. 599 ÷ 99
= 600  ÷ 100
= 6

j. 301 ÷ 26
= 300  ÷ 30
= 10

k. 729 ÷ 81
= 800 ÷ 80
= 10

l. 636 ÷ 25
= 600 ÷ 30
= 20

m. 835 ÷ 89
= 900  ÷ 90
= 10

n. 345 ÷ 72
= 350  ÷ 70
= 5

o. 559 ÷ 11
= 600  ÷ 10
= 6

  1. Mrs. Johnson spend $611 purchasing lunch for 78 students. If all the lunches cost the same, how much did she spend on each lunch?

The answer for the second question:

611 ÷ 78
=  640 ÷ 80
= 8

So, Mrs. Johnson spend about $8 per lunch.

  1. An oil well produces about 172 gallons of oil every day. A standard oil barrel can hold 42 gallons of oil. By the way, how many barrels of oil will the oil well produce in one day? Just explain your thinking.

The answer for the third question:

172 ÷ 42
= 160 ÷ 40
= 4

So, the oil well will produce 4 barrels in one day.

Lesson 17 Problem Set 5.2 Answer Key

In addition, here we will also share the answer key for Lesson 17 Problem Set 5.2.

For the first question, you are going to ask to estimate the quotient for several problems. Just round the divisor first.

In the text below, we are going to share the questions first. For the first question is done for you.

a. 609 ÷ 21
= 600 ÷ 20
= 30

b. 913 ÷ 29
= ________ ÷ ________
= _________

c. 826 ÷ 37
= ________ ÷ ________
= _________

d. 41 ÷ 73
= ________ ÷ ________
= _________

e. 241 ÷ 58
= ________ ÷ ________
= _________

f. 482 ÷ 62
= ________ ÷ ________
= _________

g. 656 ÷ 81
= ________ ÷ ________
= _________

h. 799 ÷ 99
= _________ ÷ _________
= _________

i. 635 ÷ 95
= _________ ÷ _________
= _________

j. 311 ÷ 76
= ________ ÷ ________
= _________

k. 648 ÷ 83
= _________ ÷ _________
= _________

l. 143 ÷ 35
= _________ ÷ _________
= _________

m. 525 ÷ 25
= _________ ÷ _________
= _________

n. 552 ÷ 85
= _________ ÷ _________
= _________

o. 667 ÷ 11
= _________ ÷ _________
= _________

Here are the answer key for Lesson 17 Problem Set 5.2:

b. 913 ÷ 29
= 900  ÷ 30
= 30

c. 826 ÷ 37
= 800 ÷ 40
= 20

d. 141 ÷ 73
= 140  ÷ 70
= 2

e. 241 ÷ 58
= 240  ÷ 60
= 4

f. 482 ÷ 62
= 480  ÷ 60
= 8

g. 656 ÷ 81
= 640  ÷ 80
= 8

h. 799 ÷ 99
= 800  ÷ 100
= 8

i. 635 ÷ 95
= 600  ÷ 100
= 6

j. 311 ÷ 76
= 320  ÷ 80
= 4

k. 648 ÷ 83
= 640  ÷ 80
= 8

l. 143 ÷ 35
= 160  ÷ 40
= 4

m. 525 ÷ 25
= 600  ÷ 30
= 20

n. 552 ÷ 85
= 560  ÷ 80
= 7

o. 667 ÷ 11
= 600  ÷ 10
= 60

  1. A video game store has a budget of $825, and would like to buy new video games. If each new video game costs $41, try to estimate the total number of new video games that the store can buy with its budget. Please explain your thinking.

The answer of the second question:

825 ÷ 41
= 800 ÷ 40
= 20

So, the total number of video games the store that can buy with its budget is about 20.

  1. Jackson estimates 637 ÷ 78 as 640 ÷ 80. He reason that 64 tens divided by 8 tens must be 8 tens. Is Jackson’s reasoning correct? If so, try to explain why. If not, just explain a correct solution.

The answer of the third question:

637 ÷ 78
= 640 ÷ 80
= 8

So, Jackson’s reason is correct.

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