Practice the problems of Math in Focus Grade 4 Workbook Answer Key Chapter 7 Practice 1 Understanding Tenths to score better marks in the exam.

## Math in Focus Grade 4 Chapter 7 Practice 1 Answer Key Understanding Tenths

Shade the squares to represent each decimal.

Each square represents 1 whole.

Example

Question 1.

Answer:

Explanation:

0.3 = 3 ÷ 10.

Question 2.

Answer:

Explanation:

1.8 = 18 ÷ 10.

Question 3.

Answer:

Explanation:

1.5 = 15 ÷ 10.

**Write the correct decimal in each box.
**Question 4.

Answer:

Explanation:

0 ones 3 tenths = 0.3.

Question 5.

Answer:

Explanation:

2 ones 4 tenths = 2.4.

Question 6.

Answer:

Explanation:

4 ones 6 tenths = 4.6.

Question 7.

Answer:

Explanation:

5 ones 7 tenths = 5.7.

**Write the correct decimal in each box.
**Question 8.

Answer:

Explanation:

1.0 + 0.2 = 1.2.

1.2 + 0.7 = 1.9.

2.0 + 0.7 = 2.7.

**Mark ✗ to show where each decimal is located on the number line, Label its value.
**Question 9.

1.6

Answer:

Explanation:

1.6 = 1.0 + 0.6.

Question 10.

1.8

Answer:

Explanation:

1.8 = 1.0 + 0.8.

Question 11.

2.4

Answer:

Explanation:

2.4 = 2.0 + 0.4.

**Write each of these as a decimal.**

Question 12.

9 tenths = ___

Answer:

9 tenths = 0.9.

Explanation:

9 tenths = 9 ÷ 10 = 0.9.

Question 13.

13 tenths = ____

Answer:

13 tenths = 1.3.

Explanation:

13 tenths = 13 ÷ 10 = 1.3.

Question 14.

26 tenths = ___

Answer:

26 tenths = 2.6.

Explanation:

26 tenths = 26 ÷ 10 = 2.6.

Question 15.

9 ones and 3 tenths = ___

Answer:

9 ones and 3 tenths = 9.3.

Explanation:

9 ones and 3 tenths = 93 ÷ 10 = 9.3.

**Write each fraction or mixed number as a decimal.
**Question 16.

\(\frac{7}{10}\) = ___

Answer:

\(\frac{7}{10}\) = 0.7.

Explanation:

\(\frac{7}{10}\) = 0.7.

Question 17.

2\(\frac{3}{10}\) = ___

Answer:

2\(\frac{3}{10}\) = 2.3.

Explanation:

2\(\frac{3}{10}\) = (20 + 3) ÷ 10

= \(\frac{23}{10}\)

= 2.3.

Question 18.

\(\frac{41}{10}\) = ___

Answer:

\(\frac{41}{10}\) = 4.1.

Explanation:

\(\frac{41}{10}\) = 4.1.

Question 19.

\(\frac{109}{10}\) = ___

Answer:

\(\frac{109}{10}\) = 10.9.

Explanation:

\(\frac{109}{10}\) = 10.9.

**Write each decimal in tenths.
**Question 20.

0.3 = ___ tenths

Answer:

0.3 = 3 tenths.

Explanation:

0.3 = 3 tenths.

Question 21.

5.7 = ___ tenths

Answer:

5.7 = 57 tenths.

Explanation:

5.7 = 5 ones 7 tenths.

Question 22.

26.1 = __ tenths

Answer:

26.1 = 261 tenths.

Explanation:

26.1 = 2 tens 6 ones 1 tenths.

Question 23.

48.9 = ___ tenths

Answer:

48.9 = 489 tenths.

Explanation:

48.9 = 4 tens 8 ones 9 tenths.

**Write a fraction and decimal for each measure.
**Example

Question 24.

Answer:

Explanation:

Amount of water = 6 ÷ 10L.

**Write a mixed number and decimal for each measure.
**Question 25.

Answer:

Explanation:

Length of the nail = 1.3 cm.

Question 26.

Answer:

Explanation:

Amount of water = 2L + 0.4 L = 2.4 L.

**Fill in the blanks:
**Question 27.

3.4 = 3 ones and ___ tenths

Answer:

3.4 = 3 ones and 4 tenths.

Explanation:

3.4 = 3 ones and 4 tenths.

Question 28.

5.8 = ___ ones and 8 tenths

Answer:

5.8 = 5 ones and 8 tenths.

Explanation:

5.8 = 5 ones and 8 tenths.

Question 29.

22.1 = 2 tens 2 ones and ___ tenth

Answer:

22.1 = 2 tens 2 ones and 1 tenth.

Explanation:

22.1 = 2 tens 2 ones and 1 tenth.

Question 30.

36.7 = ___ tens 6 ones and 7 tenths

Answer:

36.7 = 3 tens 6 ones and 7 tenths.

Explanation:

36.7 = 3 tens 6 ones and 7 tenths.

**You can write 15.2 in expanded form as 10 + 5 + \(\frac{2}{10}\). Complete in the same way.
**Question 31.

Answer:

Explanation:

4.5 = 4 + \(\frac{5}{10}\).

Question 32.

Answer:

Explanation:

23.7 = 20 + 3 + \(\frac{7}{10}\).

**You can write 14.3 in expanded form as 10 + 4 + 0.3. Complete in the same way.
**Question 33.

Answer:

Explanation:

Expanded form of 6.9 = 6 + 0.9.

Question 34.

Answer:

Explanation:

Expanded form of 35.4 = 30 + 5 + 0.4.

**Fill in the blanks.
**Question 35.

The digit 6 is in the ___ place. Its value is ___

Answer:

3 tens 4 ones 6 tenths = 34.6.

Explanation:

The digit 6 is in the tenths place.

Its value is 0.6.

Question 36.

The digit 0 is in the ___ place. Its value is ___

Answer:

5 tens 0 ones 8 tenths = 50.8.

Explanation:

The digit 0 is in the ones place.

Its value is 0 × 1 = 0.