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.