7th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the 7th Grade decimals worksheet.
Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Decimals7th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 4 — Answers
Line up the decimal points before you add or subtract.
1.
36.7
−25.2
Answer: 11.5
- Line up the decimal points
- 36.7 − 25.2 = 11.5
2.
24.8
+38.5
Answer: 63.3
- Line up the decimal points
- 24.8 + 38.5 = 63.3
3.
55.1
+40.2
Answer: 95.3
- Line up the decimal points
- 55.1 + 40.2 = 95.3
4.
35.6
−17.9
Answer: 17.7
- Line up the decimal points
- 35.6 − 17.9 = 17.7
5.
29.3
−13.6
Answer: 15.7
- Line up the decimal points
- 29.3 − 13.6 = 15.7
6.
34.8
+11.2
Answer: 46.0
- Line up the decimal points
- 34.8 + 11.2 = 46.0
7.
35.4
+34.7
Answer: 70.1
- Line up the decimal points
- 35.4 + 34.7 = 70.1
8.
8.8
+20.0
Answer: 28.8
- Line up the decimal points
- 8.8 + 20.0 = 28.8
9.
33.2
−12.3
Answer: 20.9
- Line up the decimal points
- 33.2 − 12.3 = 20.9
10.
32.2
−28.8
Answer: 3.4
- Line up the decimal points
- 32.2 − 28.8 = 3.4
11.
46.6
−20.7
Answer: 25.9
- Line up the decimal points
- 46.6 − 20.7 = 25.9
12.
21.8
−5.2
Answer: 16.6
- Line up the decimal points
- 21.8 − 5.2 = 16.6
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
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