Practice the problems of Math in Focus Grade 4 Workbook Answer Key Chapter 7 Practice 2 Understanding Hundredths to score better marks in the exam.

## Math in Focus Grade 4 Chapter 7 Practice 2 Answer Key Understanding Hundredths

**Shade the squares to represent each decimal.**

Each large square represents 1 whole.

Example

Question 1.

Answer:

Explanation:

0.55 = 0.50 + 0.05.

Question 2.

Answer:

Explanation:

0.55 = 0.50 + 0.05.

Question 3.

Answer:

Explanation:

1.05 = 1.00 + 0.05.

**Write a decimal for each place-value chart.
**Question 4.

Answer:

Explanation:

0 ones 3 tenths 6 hundredths = 0.36.

Question 5.

Answer:

Explanation:

5 ones 6 tenths 8 hundredths = 5.68.

Question 6.

Answer:

Explanation:

4 ones 5 tenths 0 hundredths = 4.50.

Question 7.

Answer:

Explanation:

2 ones 0 tenths 5 hundredths = 2.05.

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

Question 8.

Answer:

Explanation:

0 + 0.03 = 0.03.

0.1 + 0.02 = 0.12.

0.12 + 0.06 = 0.18.

0.2 + 0.05 = 0.25.

**Mark ✗ t0 show where each decimal is located on the number line. Label its value.
**

Question 9.

0.14

Answer:

Explanation:

0.1 + 0.04 = 0.14.

Question 10.

0.22

Answer:

Explanation:

0.20 + 0.02 = 0.22.

Question 11.

0.27

Answer:

Explanation:

0.20 + 0.07 = 0.27.

**Write each of these as a decimal.
**Question 12.

9 hundredths = ___________

Answer:

9 hundredths = 0.09.

Explanation:

9 hundredths = 9 ÷ 100 = 0.09.

Question 13.

23 hundredths = __________

Answer:

23 hundredths = 0.23.

Explanation:

23 hundredths = 23 ÷ 100 = 0.23.

Question 14.

6 tenths 1 hundredth = ___________

Answer:

6 tenths 1 hundredth = 0.61.

Explanation:

6 tenths 1 hundredth = 0.61.

Question 15.

7 ones and 90 hundredths = __________

Answer:

7 ones and 90 hundredths = 7.090.

Explanation:

7 ones and 90 hundredths = 7.090.

**Write each fraction as a decimal.
**Question 16.

\(\frac{5}{100}\) = _______

Answer:

\(\frac{5}{100}\) = 0.05.

Explanation:

\(\frac{5}{100}\) = 0.05.

Question 17.

\(\frac{19}{100}\) = _______

Answer:

\(\frac{19}{100}\) = 0.19.

Explanation:

\(\frac{19}{100}\) = 0.19.

Question 18.

\(\frac{83}{100}\) = _______

Answer:

\(\frac{83}{100}\) = 0.83.

Explanation:

\(\frac{83}{100}\) = 0.83.

Question 19.

\(\frac{70}{100}\) = _______

Answer:

\(\frac{70}{100}\) = 0.70.

Explanation:

\(\frac{70}{100}\) = 0.70.

**Write each fraction or mixed number as a decimal.
**Question 20.

3\(\frac{17}{100}\) = _______

Answer:

3\(\frac{17}{100}\) = 3.17.

Explanation:

3\(\frac{17}{100}\) = (300 + 17) ÷ 100

= \(\frac{317}{100}\)

= 3.17.

Question 21.

18\(\frac{9}{100}\) = _______

Answer:

18\(\frac{9}{100}\) = 18.09.

Explanation:

18\(\frac{9}{100}\) = (1800 + 9) ÷ 100

= \(\frac{1809}{100}\)

= 18.09

**Write each fraction or mixed number as a decimal.
**Question 22.

\(\frac{233}{100}\) = _______

Answer:

\(\frac{233}{100}\) = 2.33.

Explanation:

\(\frac{233}{100}\) = 2.33.

Question 23.

\(\frac{104}{100}\) = _______

Answer:

\(\frac{104}{100}\) =1.04.

Explanation:

\(\frac{104}{100}\) = 1.04.

**Write each decimal in hundredths.
**Question 24.

0.07 = __________ hundredths

Answer:

0.07 = 7 hundredths.

Explanation:

0.07 = 7 ÷ 100 = 7 hundredths.

Question 25.

2.31 = __________ hundredths

Answer:

2.31 = 231 hundredths.

Explanation:

2.31 = 231 ÷ 100 = 231 hundredths.

Question 26.

1.83 = __________ hundredths

Answer:

1.83 = 183 hundredths.

Explanation:

1.83 = 183 ÷ 100 = 183 hundredths.

Question 27.

5.09 = __________ hundredths

Answer:

5.09 = 509 hundredths.

Explanation:

5.09 = 509 ÷ 100 = 509 hundredths.

**Fill in the blanks.
**Question 28.

0.38 = __________ tenths 8 hundredths

Answer:

0.38 = 3 tenths 8 hundredths.

Explanation:

0.38 = 3 tenths 8 hundredths.

Question 29.

2.71 = 2 ones and 7 tenths __________ hundredth

Answer:

2.71 = 2 ones and 7 tenths 1 hundredth.

Explanation:

2.71 = 271 ÷ 100 = 2 ones and 7 tenths 1 hundredth.

Question 30.

5.09 = 5 ones and __________ hundredths

Answer:

5.09 = 5 ones and 9 hundredths.

Explanation:

5.09 = 509 ÷ 100 = 5 ones and 9 hundredths.

Question 31.

8.86 = 8 ones and 8 tenths ___________ hundredths

Answer:

8.86 = 8 ones and 8 tenths 6 hundredths.

Explanation:

8.86 = 886 ÷ 100 = 8 ones and 8 tenths 6 hundredths.

**You can write 6.13 in expanded form as 6 + \(\frac{1}{10}\) + \(\frac{3}{100}\). Complete in the same way.
**Question 32.

Answer:

Explanation:

5.24 = 5 + \(\frac{2}{10}\) + \(\frac{4}{100}\)

= 5 + 0.20 + 0.04.

Question 33.

Answer:

Explanation:

8.96 = 8 + \(\frac{9}{10}\) + \(\frac{6}{100}\)

= 8 + 0.90 + 0.06.

**You can write 7.45 in expanded form as 7 +0.4 + 0.05. Complete in the same way.
**Question 34.

Answer:

Explanation:

4.31 = 4 + 0.30 + 0.01.

Question 35.

Answer:

Explanation:

9.57 = 9 + 0.50 + 0.01

**Fill in the blanks.
**Question 36.

In 0.38, the digit 8 is in the ____ place.

Answer:

In 0.38, the digit 8 is in the hundredths place.

Explanation:

In 0.38,

=> 0 ones 3 tenths 8 hundredths.

The digit 8 is in the hundredths place.

Question 37.

In 1 2.67, the digit in the tenths place is ___.

Answer:

In 1 2.67, the digit in the tenths place is 6.

Explanation:

In 1 2.67,

=> 1 tens 2 ones 6 tenths 7 hundredths.

The digit in the tenths place is 6.

Question 38.

In 3.45, the value of the digit 5 is ____.

Answer:

In 3.45, the value of the digit 5 is hundredths(0.05).

Explanation:

In 3.45,

=> 3 ones 4 tenths 5 hundredths.

The value of the digit 5 is hundredths(0.05).

Question 39.

In 5.02, the value of the digit 2 is ___________ hundredths.

Answer:

In 5.02, the value of the digit 2 is 0.02 hundredths.

Explanation:

In 5.02,

=> 5 ones 0 tenths 2 hundredths.

The value of the digit 2 is 0.02 hundredths.

**Write each amount in decimal form.
**Question 40.

75 cents = $ _______

Answer:

75 cents = $ 0.75.

Explanation:

75 cents = $ ??

Conversion:

1 dollar = 100 cents.

=> 75 cents = 75 ÷100

= $0.75.

Question 41.

40 cents = $_______

Answer:

40 cents = $0.40.

Explanation:

40 cents = $ ??

Conversion:

1 dollar = 100 cents.

=> 40 cents = 40 ÷100

= $0.40.

Question 42.

5 cents = $____

Answer:

5 cents = $0.05.

Explanation:

5 cents = $ ??

Conversion:

1 dollar = 100 cents.

=> 5 cents = 5 ÷100

= $0.05.

Question 43.

130 cents = $____

Answer:

130 cents = $ 1.30.

Explanation:

130 cents = $ ??

Conversion:

1 dollar = 100 cents.

=> 130 cents = 130 ÷100

= $ 1.30.

Question 44.

10 dollars and 25 cents = $____

Answer:

10 dollars and 25 cents = $ 10.25.

Explanation:

10 dollars and 25 cents = $ ??

Conversion:

1 dollar = 100 cents.

=> 10 dollars and 25 cents = $10 +$(25 ÷100)

= $10 + $ 0.25

= $10.25.

Question 45.

28 dollars = $____

Answer:

28 dollars = $28.00.

Explanation:

28 dollars = $ ??.

Conversion:

1 dollar = 100 cents.

=> 28 dollars

= $28.00.

Question 46.

1 dollar and 9 cents = $____

Answer:

1 dollar and 9 cents = $1.09.

Explanation:

1 dollar and 9 cents = $ ??

Conversion:

1 dollar = 100 cents.

=> 1 dollar and 9 cents = $1 + $(9 ÷ 100)

=> $1 + $0.09

=> $1.09.