# McGraw Hill Math Grade 5 Chapter 4 Test Answer Key

All the solutions provided in McGraw Hill Math Grade 5 Answer Key PDF Chapter 4 Test are as per the latest syllabus guidelines.

## McGraw-Hill Math Grade 5 Chapter 4 Test Answer Key

Estimate. Then multiply. You can use the grids to help.

Question 1.
1.3 × 2
Estimate ______
product ______
Estimate: 3.
product: 2.6.

Explanation:
Given the expression is 1.3 × 2. So the product is 2.6, and the estimated product is 3.

Question 2.
4.5 × 3
Estimate ______
product ______
Estimate: 14.
product: 13.5.

Explanation:
Given the expression is 4.5 × 3. So the product is 13.5, and the estimated product is 14.

Question 3.
13.2 × 8
Estimate ______
product ______
Estimate: 106.
product: 105.6

Explanation:
Given the expression is 13.2 × 8. So the product is 105.6, and the estimated product is 106.

Question 4.
4.24 × 3
Estimate ______
product ______
Estimate: 13.
product: 12.72.

Explanation:
Given the expression is 4.24 × 3. So the product is 12.72, and the estimated product is 13.

Question 5.
2.01 × 5
Estimate ______
product ______
Estimate: 10.1
product: 10.05.

Explanation:
Given the expression is 2.01 × 5. So the product is 10.05, and the estimated product is 10.1.

Question 6.
0.3 × 0.3
Estimate ______
product ______
Estimate: 0.10.
product: 0.09

Explanation:
Given the expression is 0.3 × 0.3. So the product is 0.09, and the estimated product is 0.10.

Question 7.
0.4 × 0.6
Estimate ______
product ______
Estimate: 0.2.
product: 0.24.

Explanation:
Given the expression is 0.4 × 0.6. So the product is 0.24, and the estimated product is 0.2.

Question 8.
0.3 × 0.8
Estimate ______
product ______
Estimate: 0.2.
product: 0.24.

Explanation:
Given the expression is 0.3 × 0.8. So the product is 0.24, and the estimated product is 0.2.

Question 9.
0.6 × 0.8
Estimate ______
product ______
Estimate: 0.5
product: 0.48

Explanation:
Given the expression is 0.6 × 0.8. So the product is 0.48, and the estimated product is 0.5.

Question 10.
1.2 × 0.4
Estimate ______
product ______
Estimate: 0.5.
product: 0.48

Explanation:
Given the expression is 1.2 × 0.4. So the product is 0.48, and the estimated product is 0.5.

Estimate. Then divide.

Question 11.
1.2 ÷ 6
Estimate ______
Quotient ______
Estimate: 0.1
Quotient: 0.2

Explanation:
Given that the expression is 1.2 ÷ 6. So the quotient is 0.2 and the estimated is 0.1.

Question 12.
4.4 ÷ 2
Estimate ______
Quotient ______
Estimate: 0.1
Quotient: 0.2

Explanation:
Given that the expression is 1.2 ÷ 6. So the quotient is 0.2 and the estimated is 0.1.

Question 13.
5.6 ÷ 8
Estimate ______
Quotient ______
Estimate: 1
Quotient: 0.7

Explanation:
Given that the expression is 5.6 ÷ 8. So the quotient is 0.7 and the estimated is 1.

Question 14.
35.7 ÷ 7
Estimate ______
Quotient ______
Estimate: 5.
Quotient: 5.1.

Explanation:
Given that the expression is 35.7 ÷ 7. So the quotient is 5.1 and the estimated is 5.

Question 15.
3.9 ÷ 3
Estimate ______
Quotient ______
Estimate: 1.
Quotient: 1.3

Explanation:
Given that the expression is 3.9 ÷ 3. So the quotient is 1.3 and the estimated is 1.

Question 16.
15 ÷ 0.5
Estimate ______
Quotient ______
Estimate: 30.
Quotient: 30.

Explanation:
Given that the expression is 15 ÷ 0.5. So the quotient is 30 and the estimated is 30.

Question 17.
66 ÷ 0.03
Estimate ______
Quotient ______
Estimate: 2000.
Quotient: 2200.

Explanation:
Given that the expression is 66 ÷ 0.03. So the quotient is 2200 and the estimated is 2000.

Question 18.
56 ÷ 0.8
Estimate ______
Quotient ______
Estimate: 100.
Quotient: 70.

Explanation:
Given that the expression is 56 ÷ 0.8. So the quotient is 70 and the estimated is 100.

Question 19.
284 ÷ 0.4
Estimate ______
Quotient ______
Estimate: 700.
Quotient: 710.

Explanation:
Given that the expression is 284 ÷ 0.4. So the quotient is 710 and the estimated is 700.

Question 20.
396 ÷ 0.33
Estimate ______
Quotient ______
Estimate: 1000.
Quotient: 1200.

Explanation:
Given that the expression is 396 ÷ 0.33. So the quotient is 1200 and the estimated is 1000.

Estimate. Then multiply or divide.

Question 21.
10.66 × 103 Estimate: _________________
Product: ___________________
Estimate: 11,000.
Product: 10,660.

Explanation:
Given the expression is 10.66 × 103 which is
= 10.66 × 10 × 10 × 10
= 10,660.

Question 22.
11.95 × 102 Estimate: _________________
Product: ___________________
Estimate: 12,000.
Product: 11,195.

Explanation:
Given the expression is 11.95 × 102 which is
= 11.95 × 10 × 10
= 1,195.

Question 23.
14.92 × 101 Estimate: _________________
Product: ___________________
Estimate: 150.
Product: 149.2.

Explanation:
Given the expression is 14.92 × 101 which is
= 14.92 × 10
= 149.2.

Question 24.
81.52 × 100 Estimate: _________________
Product: ___________________
Estimate: 82
Product: 81.52.

Explanation:
Given the expression is 81.52 × 100 which is
= 81.52 × 1
= 81.52.

Question 25.
19.99 × 103 Estimate: _________________
Product: ___________________
Estimate: 20,000.
Product: 19,990

Explanation:
Given the expression is 19.99 × 103 which is
= 19.99 × 10 × 10 × 10
=  19,990.

Question 26.
11.55 × 102 Estimate: _________________
Product: ___________________
Estimate: 1,200.
Product: 1,155.

Explanation:
Given the expression is 11.55 × 102 which is
= 11.55 × 10 × 10
= 1,155.

Estimate. Then multiply and describe your strategy.

Question 27.
Estimate: 0.7 × 5 _________________________________
Multiply: 0.7 × 5 = _________________________________
Strategy: __________________________________________
Estimate: 0.7 × 5 = 4
Multiply: 0.7 × 5 = 3.5

Explanation:
Given the expression is 0.7 × 5 which is
0.7 × 5 = 3.5

Solve. List the related multiplication and division facts.

Question 28.
5 ÷ 0.1 = ______________________________
5 ÷ 0.1 = 50.

Explanation:
The division of 5 ÷ 0.1 is 50.

Solve.

Question 29.
The following amounts were added to a number: 7.2 × 102, 4.6 × 102, 2.7 × 102, and 6.2 × 102. After the amounts were added, the total was 34.4 × 102. What was the original number? Work backward to solve.
7.2 × 102 = 720,
4.6 × 102 = 460,
2.7 × 102 = 270,
6.2 × 102 = 620.

Explanation:
The given expressions are 7.2 × 102, 4.6 × 102, 2.7 × 102, and 6.2 × 102 which is
7.2 × 102 = 720,
4.6 × 102 = 460,
2.7 × 102 = 270,
6.2 × 102 = 620.

Question 30.
An average adult should drink about 2 liters of water a day. How many 1-liter bottles of water are needed a day for 1,000 adults?
A case of 1-liter bottles of water holds 24 bottles. How many are needed for 1,000 people per day?
The number of liters is 2,000 liters.

Explanation:
Given that an average adult should drink about 2 liters of water a day. So for 1,000 adults, it will be 1,000×2 = 2,000 liters. As a case of 1-liter bottles of water holds 24 bottles. The number of bottles needed for 1,000 people per day is 1,000÷24 which is 42 bottles.

Question 31.
A table shows a population of 104 people for a community. How many people are in the community?
_______________________

10,000 people.

Explanation:
The number of people in the community is 10×10×10×10 which is 10,000 people.

If each person in the community was given 0.3 pounds of rice each day for a week, how much rice was needed?
___________________