Practice the problems of Math in Focus Grade 4 Workbook Answer Key Chapter 7 Practice 6 Rounding Decimals to score better marks in the exam.

## Math in Focus Grade 4 Chapter 7 Practice 6 Answer Key Rounding Decimals

**Fill in the missing number in each box.**

**Then round each decimal to the nearest tenth.**

Example

8.14 rounded to the nearest tenth is __8.1__

Question 1.

11.15 rounded to the nearest tenth is ____

Answer:

11.15 rounded to the nearest tenth is 11.20.

Explanation:

11.15 – 11.1 = 0.05

=> 11.15 + 0.05 = 11.20.

Question 2.

0.96 rounded to the nearest tenth is ____

Answer:

0.96 rounded to the nearest tenth is 1.00.

Explanation:

0.96 + 0.04 = 1.00.

Question 3.

7.53 rounded to the nearest tenth is ____

Answer:

7.53 rounded to the nearest tenth is 7.50.

Explanation:

7.50 7.51 7.52 7.53 7.54 7.55 7.56 7.57 7.58 7.59 7.60.

**Round each measure.
**Question 4.

Ryan’s mass is 44.69 kilograms.

Round his mass to the nearest tenth of a kilogram. ____ kilograms is about ____ kilograms.

Answer:

Nearest tenth of a kilogram = 44.70.

44.69 kilograms is about 45 kilograms.

Explanation:

Number of kilograms Ryan’s mass = 44.69.

Nearest tenth of a kilogram = 44.70.

44.69 kilograms is about 45 kilograms.

Question 5.

Susan’s height is 1.72 meters.

Round her height to the nearest tenth of a meter.

___ meters is about ___ meters.

Answer:

Nearest tenth of a meter = 1.80.

1.72 meters is about 2.00 meters.

Explanation:

Susan’s height is 1.72 meters.

Nearest tenth of a meter = 1.80.

1.72 meters is about 2.00 meters.

Question 6.

The distance between Chong’s home and his school is 5.95 miles. Round the distance to the nearest tenth of a mile.

___________ miles is about ___________ miles.

Answer:

Nearest tenth of a mile = 6.00.

5.95 miles is about 6.00 miles.

Explanation:

The distance between Chong’s home and his school is 5.95 miles.

Nearest tenth of a mile = 6.00.

5.95 miles is about 6.00 miles.

Question 7.

1 inch is equal to 2.54 centimeters.

Round 2.54 to the nearest tenth of a centimeter.

___ centimeters is about ___ centimeters.

Answer:

Nearest tenth of a 2.54 centimeter = 2.60.

2.54 centimeters is about 3.00 centimeters.

Explanation:

1 inch is equal to 2.54 centimeters.

Nearest tenth of a 2.54 centimeter = 2.60.

2.54 centimeters is about 3.00 centimeters.

Question 8.

1 pound is approximately equal to 0.45 kilogram. Round 0.45 to the nearest tenth of a kilogram. ___ kilogram is about ___ kilogram.

Answer:

Nearest tenth of a 0.45 kilogram = 0.50.

0.45 kilogram is about 0.50 kilogram.

Explanation:

1 pound is approximately equal to 0.45 kilogram.

Nearest tenth of a 0.45 kilogram = 0.50.

0.45 kilogram is about 0.50 kilogram.

**Round each decimal to the nearest whole number and the nearest tenth.**

Question 9.

Answer:

Explanation:

Nearest whole number of 3.49 = 3.00.

Nearest tenth of 3.49 = 3.50.

Question 10.

Answer:

Explanation:

Nearest whole number of 5.65 = 6.00.

Nearest tenth of 5.65 = 5.70.

Question 11.

Answer:

Explanation:

Nearest whole number of 4.13 = 4.00.

Nearest tenth of 4.13 = 4.10.

Question 12.

Answer:

Explanation:

Nearest whole number of 4.99 = 5.00.

Nearest tenth of 4.99 = 5.00.