Engage NY Eureka Math 5th Grade Module 2 Lesson 25 Answer Key
Question 1.
Estimate the quotients.
a. 3.24 ÷ 82 ≈ 0.039.
Answer:
3.24/82 = 0.039.
Explanation:
In the above-given question,
given that,
3.24/82.
0.039.
b. 361.2 ÷ 61 ≈ 6
Answer:
361.2/61 = 6.
Explanation:
In the above-given question,
given that,
361.2/61.
6.
c. 7.15 ÷ 31 ≈ 0.230.
Answer:
7.15/31 = 0.230.
Explanation:
In the above-given question,
given that,
7.15/31.
0.230.
d. 85.2 ÷ 31 ≈ 2.74.
Answer:
85.2/31 = 2.74.
Explanation:
In the above-given question,
given that,
85.2/31.
2.74.
e. 27.97 ÷ 28 ≈ 0.90.
Answer:
27.97/28 = 0.90.
Explanation:
In the above-given question,
given that,
27.97/28.
0.90.
Question 2.
Estimate the quotient in (a). Use your estimated quotient to estimate (b) and (c).
a. 7.16 ÷ 36 ≈ 0.19.
Answer:
7.16/36 = 0.19.
Explanation:
In the above-given question,
given that,
7.16/36.
0.19.
b. 716 ÷ 36 ≈ 19.8
Answer:
716/36 = 19.8.
Explanation:
In the above-given question,
given that,
716/36.
19.8.
c. 71.6 ÷ 36 ≈ 1.98
Answer:
71.6/36 = 1.98.
Explanation:
In the above-given question,
given that,
71.6/36.
1.98.
Question 3.
Edward bikes the same route to and from school each day. After 28 school days, he bikes a total distance of 389.2 miles.
a. Estimate how many miles he bikes in one day.
Answer:
The miles he bikes in one day = 13.9 miles.
Explanation:
In the above-given question,
given that,
Edward bikes the same route to and from school each day.
After 28 school days, he bikes a total distance of 389.2 miles.
389.2/28.
13.9 miles.
b. If Edward continues his routine of biking to school, about how many days altogether will it take him to reach a total distance of 500 miles?
Answer:
The days altogether will it take him to reach a total distance of 500 miles = 0.7784 days.
Explanation:
In the above-given question,
given that,
If Edward continues his routine of biking to school,
389.2/500.
0.7784 days.
Question 4.
Xavier goes to the store with $40. He spends $38.60 on 13 bags of popcorn.
a. About how much does one bag of popcorn cost?
Answer:
The one bag of popcorn cost = $3.
Explanation:
In the above-given question,
given that,
Xavier goes to the store with $40.
He spends $38.60 on 13 bags of popcorn.
38.60/13 = 2.9.
b. Does he have enough money for another bag? Use your estimate to explain your answer.
Answer:
No, he doesn’t have enough money for another bag.
Explanation:
In the above-given question,
given that,
2.9 +38.60.
41.5.
Estimate the quotients.
a. 1.64 ÷ 22 ≈ 0.074.
Answer:
1.64/22 = 0.074.
Explanation:
In the above-given question,
given that,
1.64/22.
0.074.
b. 123.8 ÷ 62 ≈1.99
Answer:
123.8/62 = 1.99.
Explanation:
In the above-given question,
given that,
123.8/62.
1.99.
c. 6.15 ÷ 31 ≈ 0.19
Answer:
6.15/31 = 0.19.
Explanation:
In the above-given question,
given that,
6.15/31.
0.19.
Question 1.
Estimate the quotients.
a. 3.53 ÷ 51 ≈0.019
Answer:
3.53/51 = 0.019.
Explanation:
In the above-given question,
given that,
3.53/51.
0.019.
b. 24.2 ÷ 42 ≈ 0.57
Answer:
24.2/42 = 0.57.
Explanation:
In the above-given question,
given that,
24.2/42.
0.57.
c. 9.13 ÷ 23 ≈ 0.39.
Answer:
9.13/23 = 0.39.
Explanation:
In the above-given question,
given that,
9.13/23.
0.39.
d. 79.2 ÷ 39 ≈ 2.03.
Answer:
79.2/39 = 2.03.
Explanation:
In the above-given question,
given that,
79.2/39.
2.03.
e. 7.19 ÷ 58 ≈ 0.12.
Answer:
7.19/58 = 0.12.
Explanation:
In the above-given question,
given that,
7.19/58.
0.12.
Question 2.
Estimate the quotient in (a). Use your estimated quotient to estimate (b) and (c).
a. 9.13 ÷ 42 ≈ 0.217.
Answer:
9.13/42 = 0.217.
Explanation:
In the above-given question,
given that,
9.13/42.
0.217.
b. 913 ÷ 42 ≈ 21.7
Answer:
913/42 = 21.7.
Explanation:
In the above-given question,
given that,
913/42.
21.7.
c. 91.3 ÷ 42 ≈ 2.17.
Answer:
91.3/42 = 2.17.
Explanation:
In the above-given question,
given that,
91.3/42.
2.17.
Question 3.
Mrs. Huynh bought a bag of 3 dozen toy animals as party favors for her son’s birthday party. The bag of toy animals cost $28.97. Estimate the price of each toy animal.
Answer:
The price of each toy animal = 0.2682.
Explanation:
In the above-given question,
given that,
Mrs Huynh bought a bag of 3 dozen toy animals as party favours for her son’s birthday party.
the bag of toy animals cost $28.97.
3 x 36 = 108.
$28.97/108.
0.2682.
Question 4.
Carter drank 15.75 gallons of water in 4 weeks. He drank the same amount of water each day.
a. Estimate how many gallons he drank in one day.
Answer:
The water he drank in one day = 0.5625 gallons.
Explanation:
Carter drank 15.75 gallons of water in 4 weeks.
He drank the same amount of water each day.
15.75/28.
0.5625.
b. Estimate how many gallons he drank in one week.
Answer:
The water he drank in one week = 2.25 gallons.
Explanation:
Carter drank 15.75 gallons of water in 4 weeks.
He drank the same amount of water each day.
15.75/7.
2.25.
c. About how many days altogether will it take him to drink 20 gallons?
Answer:
The water he drank in one day = 0.7875.
Explanation:
Carter drank 15.75 gallons of water in 4 weeks.
He drank the same amount of water each day.
15.75/20.
0.7875.