Engage NY Eureka Math 5th Grade Module 2 Lesson 18 Answer Key
Eureka Math Grade 5 Module 2 Lesson 18 Problem Set Answer Key
Question 1.
Estimate the quotients for the following problems. The first one is done for you.
a. 5,738 ÷ 21
≈ 6,000 ÷ 20
= 300
Answer:
6000/20 = 300.
Explanation:
In the above-given question,
given that,
5738/21.
6000/20.
300.
b. 2,659 ÷ 28
≈ ___3000______ ÷ ____30_____
= ___100______
Answer:
3000/30 = 100.
Explanation:
In the above-given question,
given that,
2659/28.
3000/30.
100.
c. 9,155 ÷ 34
≈ ____9000_____ ÷ ___30______
= ____300_____
Answer:
9000/30 = 300.
Explanation:
In the above-given question,
given that,
9155/34.
9000/30.
100.
d. 1,463 ÷ 53
≈ ___1000______ ÷ _____50____
= _____200____
Answer:
1000/20 = 50.
Explanation:
In the above-given question,
given that,
1463/53.
1000/50.
200.
e. 2,525 ÷ 64
≈ ___2000______ ÷ _____60____
= ___33______
Answer:
2000/60 = 33.
Explanation:
In the above-given question,
given that,
2525/64.
2000/60.
33.
f. 2,271 ÷ 72
≈ __2000_______ ÷ ____70_____
= ____28_____
Answer:
2000/70 = 28.
Explanation:
In the above-given question,
given that,
2271/72.
2000/70.
28.
g. 4,901 ÷ 75
≈ __5000_______ ÷ ___75______
= ___66______
Answer:
5000/75 = 66.
Explanation:
In the above-given question,
given that,
4901/75.
5000/75.
66.
h. 8,515 ÷ 81
≈ __8000_______ ÷ ___80______
= __100_______
Answer:
8000/80 = 100.
Explanation:
In the above-given question,
given that,
8515/81.
8000/80.
100.
i. 8,515 ÷ 89
≈ ___8000______ ÷ ___90______
= ___88______
Answer:
8000/90 = 88.
Explanation:
In the above-given question,
given that,
8515/89.
8000/90.
88.
j. 3,925 ÷ 68
≈ ___4000______ ÷ ___70______
= ____57_____
Answer:
4000/70 = 57.
Explanation:
In the above-given question,
given that,
3925/68.
4000/70.
57.
k. 5,124 ÷ 81
≈ ___5000______ ÷ ____80_____
= __62_______
Answer:
5000/80 = 62.
Explanation:
In the above-given question,
given that,
5124/81.
5000/80.
62.
l. 4,945 ÷ 93
≈ ___5000______ ÷ ___90______
= ____55_____
Answer:
5000/90 = 55.
Explanation:
In the above-given question,
given that,
4945/93.
5000/90.
55.
m. 5,397 ÷ 94
≈ __5000_______ ÷ ___90______
= _____55____
Answer:
5000/90 = 55.
Explanation:
In the above-given question,
given that,
5397/94.
5000/90.
55.
n. 6,918 ÷ 86
≈ ___7000______ ÷ ___90______
= _____78____
Answer:
7000/90 = 78.
Explanation:
In the above-given question,
given that,
6918/86.
7000/86.
78.
o. 2,806 ÷ 15
≈ __2900_______ ÷ ___10______
= ___290______
Answer:
2900/10 = 290.
Explanation:
In the above-given question,
given that,
2806/15.
2900/10.
290.
Question 2.
A swimming pool requires 672 ft2 of floor space. The length of the swimming pool is 32 ft. Estimate the width of the swimming pool.
Answer:
The width of the swimming pool = 21 ft.
Explanation:
In the above-given question,
given that,
A swimming pool requires 672 sq ft of floor space.
The length of the swimming pool is 32 ft.
672/32 = 21ft.
the width of the swimming pool = 21 ft.
Question 3.
Janice bought 28 apps for her phone that, altogether, used 1,348 MB of space.
a. If each app used the same amount of space, about how many MB of memory did each app use? Show how you estimated.
Answer:
The estimated memory = 48 MB.
Explanation:
In the above-given question,
given that,
Janice bought 28 apps for her phone that, altogether, used 1348 MB of space.
1348/28 = 48 MB.
The estimated memory = 48 MB.
b. If half of the apps were free and the other half were $1.99 each, about how much did she spend?
Answer:
The amount she spends = $677.
Explanation:
In the above-given question,
given that,
If half of the apps were free and the other half were $1.99 each.
1348/1.99 = $677.
Question 4.
A quart of paint covers about 85 square feet. About how many quarts would you need to cover a fence with an area of 3,817 square feet?
Answer:
The quarts would you need to cover a fence = 45 ft.
Explanation:
In the above-given question,
given that,
A quart of paint covers about 85 square feet.
area = 3817 sq ft.
3817/85 = 45 ft.
Question 5.
Peggy has saved $9,215. If she is paid $45 an hour, about how many hours did she work?
Answer:
The many hours did she work = $205.
Explanation:
In the above-given question,
given that,
Peggy has saved $9215.
If she is paid $45 an hour.
$9215/45.
205.
The many hours did she work = $205.
Eureka Math Grade 5 Module 2 Lesson 18 Exit Ticket Answer Key
Estimate the quotients for the following problems.
a. 6,523 ÷ 21
≈ __6000_______ ÷ ___20______
= __300_______
Answer:
6000/20 = 300.
Explanation:
In the above-given question,
given that,
6000/20.
6000/20.
300.
b. 8,491 ÷ 37
≈ ___8000______ ÷ ___40______
= __200_______
Answer:
8000/40 = 200.
Explanation:
In the above-given question,
given that,
8491/37.
8000/40.
200.
c. 3,704 ÷ 53
≈ __4000_______ ÷ __50_______
= ____80_____
Answer:
4000/50 = 80.
Explanation:
In the above-given question,
given that,
3704/53.
4000/50.
80.
d. 4,819 ÷ 68
≈ ___5000______ ÷ ___70______
= ___71______
Answer:
5000/90 = 70.
Explanation:
In the above-given question,
given that,
4819/68.
5000/70.
71.
Eureka Math Grade 5 Module 2 Lesson 18 Homework Answer Key
Question 1.
Estimate the quotients for the following problems. The first one is done for you.
a. 8,328 ÷ 41
≈ 8,000 ÷ 40
= 200
b. 2,109 ÷ 23
≈ ___2000______ ÷ ____20_____
= ___100______
Answer:
2000/20 = 100.
Explanation:
In the above-given question,
given that,
2000/20.
2000/20.
100.
c. 8,215 ÷ 38
≈ __8000_______ ÷ ___40______
= ____200_____
Answer:
8000/40 = 200.
Explanation:
In the above-given question,
given that,
8215/38.
8000/40.
200.
d. 3,861 ÷ 59
≈ ___4000______ ÷ ____60_____
= ____67____
Answer:
4000/60 = 67.
Explanation:
In the above-given question,
given that,
3861/59.
4000/60.
67.
e. 2,899 ÷ 66
≈ ___3000______ ÷ ____70_____
= ___43______
Answer:
3000/70 = 43.
Explanation:
In the above-given question,
given that,
2899/66.
3000/70.
43.
f. 5,576 ÷ 92
≈ ___6000______ ÷ ___100______
= ___60______
Answer:
6000/100 = 60.
Explanation:
In the above-given question,
given that,
5576/92.
6000/100.
60.
g. 5,086 ÷ 73
≈ ___5000______ ÷ ___70______
= ___71______
Answer:
5000/70 = 71.
Explanation:
In the above-given question,
given that,
5086/73.
5000/70.
71.
h. 8,432 ÷ 81
≈ __8000_______ ÷ _____80____
= __100_______
Answer:
8000/80 = 100.
Explanation:
In the above-given question,
given that,
8432/81.
8000/80.
100.
i. 9,032 ÷ 89
≈ __9000_______ ÷ _____90____
= ____1000_____
Answer:
9000/90 = 100.
Explanation:
In the above-given question,
given that,
9032/89.
9000/90.
1000.
j. 2,759 ÷ 48
≈ ___3000______ ÷ _____50____
= __60_______
Answer:
3000/50 = 60.
Explanation:
In the above-given question,
given that,
2759/48.
3000/50.
60.
k. 8,194 ÷ 91
≈ ___8000______ ÷ ____90_____
= ____89_____
Answer:
8000/90 = 89.
Explanation:
In the above-given question,
given that,
8194/91.
8000/90.
89.
l. 4,368 ÷ 63
≈ __4000_______ ÷ ___60______
= ____67_____
Answer:
4000/60 = 67.
Explanation:
In the above-given question,
given that,
4368/63.
4000/60.
67.
m. 6,537 ÷ 74
≈ __6000_______ ÷ ___70______
= ____86_____
Answer:
6000/70 = 86.
Explanation:
In the above-given question,
given that,
6537/74.
6000/70.
86.
n. 4,998 ÷ 48
≈ ___5000______ ÷ ___50______
= ___100______
Answer:
5000/50 = 100.
Explanation:
In the above-given question,
given that,
4998/48.
5000/50.
100.
o. 6,106 ÷ 25
≈ __6000_______ ÷ ___20______
= ___300______
Answer:
6000/25 = 300.
Explanation:
In the above-given question,
given that,
6106/25.
6000/20.
300.
Question 2.
91 boxes of apples hold a total of 2,605 apples. Assuming each box has about the same number of apples, estimate the number of apples in each box.
Answer:
The number of apples in the box = 29 boxes.
Explanation:
In the above-given question,
given that,
91 boxes of apples hold a total of 2,605 apples.
2605/91 = 29 boxes.
The number of apples in the box = 29 boxes.
Question 3.
A wild tiger can eat up to 55 pounds of meat in a day. About how many days would it take for a tiger to eat the following prey?
Prey | Weight of Prey | Number of Days |
Eland Antelope | 1,754 pounds | 32 days |
Boar | 661 pounds | 12 days |
| Chital Deer | 183 pounds | 3 days |
| Water Buffalo | 2,322 pounds | 42 days |
Answer:
Eland Antelope = 32 days.
Boar = 12 days.
Chital Deer = 3 days.
Water Buffalo = 42 days.
Explanation:
In the above-given question,
given that,
A wild tiger can eat up to 55 pounds of meat in a day.
Eland Antelope = 32 days.
Boar = 12 days.
Chital Deer = 3 days.
Water Buffalo = 42 days.
