7th Grade Adding and Subtracting Decimals Worksheet — Level 2 — Practice Set 2 — 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 2 — Practice Set 2 — Answers
Line up the decimal points before you add or subtract.
1.
17.46
+13.10
Answer: 30.56
- Line up the decimal points
- 17.46 + 13.10 = 30.56
2.
57.76
+37.00
Answer: 94.76
- Line up the decimal points
- 57.76 + 37.00 = 94.76
3.
26.62
+20.16
Answer: 46.78
- Line up the decimal points
- 26.62 + 20.16 = 46.78
4.
54.37
−37.39
Answer: 16.98
- Line up the decimal points
- 54.37 − 37.39 = 16.98
5.
9.20
−6.68
Answer: 2.52
- Line up the decimal points
- 9.20 − 6.68 = 2.52
6.
37.65
−1.86
Answer: 35.79
- Line up the decimal points
- 37.65 − 1.86 = 35.79
7.
31.63
−23.75
Answer: 7.88
- Line up the decimal points
- 31.63 − 23.75 = 7.88
8.
41.77
+22.54
Answer: 64.31
- Line up the decimal points
- 41.77 + 22.54 = 64.31
9.
15.14
+40.28
Answer: 55.42
- Line up the decimal points
- 15.14 + 40.28 = 55.42
10.
18.66
+26.11
Answer: 44.77
- Line up the decimal points
- 18.66 + 26.11 = 44.77
11.
40.54
−14.79
Answer: 25.75
- Line up the decimal points
- 40.54 − 14.79 = 25.75
12.
33.25
−1.77
Answer: 31.48
- Line up the decimal points
- 33.25 − 1.77 = 31.48
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
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