Worked example
What is 1.4 + 2.3?
Answer & why
Answer: 3.7
14 tenths + 23 tenths = 37 tenths, or 3.7.
Grade 4 · Math
Add decimal tenths
Combine tenths using place-value reasoning.
8 generated examples + worked example
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8 reproducible examples from this math generator. Choose New examples for another set.
Question 1
What is 1.2 + 6.9?
- 8.1
- 7.9
- 8.5
- 8.4
A hint
Treat tenths with tenths and hundredths with hundredths.
Answer & why
Answer: 8.1
Align the decimal places. 1.2 + 6.9 = 8.1.
Question 2
What is 0.7 + 7.8?
- 8.8
- 8.4
- 8.7
- 8.5
A hint
Treat tenths with tenths and hundredths with hundredths.
Answer & why
Answer: 8.5
Align the decimal places. 0.7 + 7.8 = 8.5.
Question 3
What is 8.2 + 8?
- 16.5
- 16.2
- 16.4
- 16
A hint
Treat tenths with tenths and hundredths with hundredths.
Answer & why
Answer: 16.2
Align the decimal places. 8.2 + 8 = 16.2.
Question 4
What is 3.4 + 7.1?
- 10.5
- 10.9
- 10.7
- 10.3
A hint
Treat tenths with tenths and hundredths with hundredths.
Answer & why
Answer: 10.5
Align the decimal places. 3.4 + 7.1 = 10.5.
Question 5
What is 9.8 + 0.4?
- 10.1
- 10.3
- 10.5
- 10.2
A hint
Treat tenths with tenths and hundredths with hundredths.
Answer & why
Answer: 10.2
Align the decimal places. 9.8 + 0.4 = 10.2.
Question 6
What is 2.5 + 0.4?
- 3.1
- 2.8
- 2.9
- 2.7
A hint
Treat tenths with tenths and hundredths with hundredths.
Answer & why
Answer: 2.9
Align the decimal places. 2.5 + 0.4 = 2.9.
Question 7
What is 1 + 3.9?
- 4.8
- 5
- 4.9
- 5.1
A hint
Treat tenths with tenths and hundredths with hundredths.
Answer & why
Answer: 4.9
Align the decimal places. 1 + 3.9 = 4.9.
Question 8
What is 0.5 + 8.4?
- 8.9
- 8.8
- 9
- 9.3
A hint
Treat tenths with tenths and hundredths with hundredths.
Answer & why
Answer: 8.9
Align the decimal places. 0.5 + 8.4 = 8.9.