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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 ______

Answer:

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 × 10^{3} Estimate: _________________

Product: ___________________

Answer:

Estimate: 11,000.

Product: 10,660.

Explanation:

Given the expression is 10.66 × 10^{3} which is

= 10.66 × 10 × 10 × 10

= 10,660.

Question 22.

11.95 × 10^{2} Estimate: _________________

Product: ___________________

Answer:

Estimate: 12,000.

Product: 11,195.

Explanation:

Given the expression is 11.95 × 10^{2} which is

= 11.95 × 10 × 10

= 1,195.

Question 23.

14.92 × 10^{1} Estimate: _________________

Product: ___________________

Answer:

Estimate: 150.

Product: 149.2.

Explanation:

Given the expression is 14.92 × 10^{1} which is

= 14.92 × 10

= 149.2.

Question 24.

81.52 × 10^{0} Estimate: _________________

Product: ___________________

Answer:

Estimate: 82

Product: 81.52.

Explanation:

Given the expression is 81.52 × 10^{0} which is

= 81.52 × 1

= 81.52.

Question 25.

19.99 × 10^{3} Estimate: _________________

Product: ___________________

Answer:

Estimate: 20,000.

Product: 19,990

Explanation:

Given the expression is 19.99 × 10^{3} which is

= 19.99 × 10 × 10 × 10

= 19,990.

Question 26.

11.55 × 10^{2} Estimate: _________________

Product: ___________________

Answer:

Estimate: 1,200.

Product: 1,155.

Explanation:

Given the expression is 11.55 × 10^{2} 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: __________________________________________

Answer:

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 = ______________________________

Answer:

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 × 10^{2}, 4.6 × 10^{2}, 2.7 × 10^{2}, and 6.2 × 10^{2}. After the amounts were added, the total was 34.4 × 10^{2}. What was the original number? Work backward to solve.

Answer:

7.2 × 10^{2 }= 720,

4.6 × 10^{2 }= 460,

2.7 × 10^{2} = 270,

6.2 × 10^{2 }= 620.

Explanation:

The given expressions are 7.2 × 10^{2}, 4.6 × 10^{2}, 2.7 × 10^{2}, and 6.2 × 10^{2 }which is

7.2 × 10^{2 }= 720,

4.6 × 10^{2 }= 460,

2.7 × 10^{2} = 270,

6.2 × 10^{2 }= 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?

Answer:

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 10^{4} people for a community. How many people are in the community?

_______________________

Answer:

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?

___________________

Answer:

The rice needed is 21,000 pounds.

Explanation:

As 0.3 pounds of rice each day for a week which means 0.3×7 = 2.1. The rice needed is 2.1×10000 which is 21,000 pounds.

A pound of rice is 16 ounces. How many ounces of rice are in 0.3 pounds?

___________________

Answer:

The number of ounces is 4.8 ounces.

Explanation:

As 1 pound of rice is 16 ounces, so the number of ounces of rice in 0.3 pounds is 0.3×16 which is 4.8 ounces.