7th Grade Adding and Subtracting Decimals Worksheet — Level 2 — Practice Set 3 — 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 3 — Answers
Line up the decimal points before you add or subtract.
1.
33.28
+3.84
Answer: 37.12
- Line up the decimal points
- 33.28 + 3.84 = 37.12
2.
37.78
+1.80
Answer: 39.58
- Line up the decimal points
- 37.78 + 1.80 = 39.58
3.
48.76
+33.48
Answer: 82.24
- Line up the decimal points
- 48.76 + 33.48 = 82.24
4.
31.01
−27.78
Answer: 3.23
- Line up the decimal points
- 31.01 − 27.78 = 3.23
5.
18.07
−11.24
Answer: 6.83
- Line up the decimal points
- 18.07 − 11.24 = 6.83
6.
16.02
+39.20
Answer: 55.22
- Line up the decimal points
- 16.02 + 39.20 = 55.22
7.
25.74
+37.71
Answer: 63.45
- Line up the decimal points
- 25.74 + 37.71 = 63.45
8.
29.39
−17.94
Answer: 11.45
- Line up the decimal points
- 29.39 − 17.94 = 11.45
9.
35.52
−10.69
Answer: 24.83
- Line up the decimal points
- 35.52 − 10.69 = 24.83
10.
58.25
+10.30
Answer: 68.55
- Line up the decimal points
- 58.25 + 10.30 = 68.55
11.
15.60
+23.54
Answer: 39.14
- Line up the decimal points
- 15.60 + 23.54 = 39.14
12.
10.84
+20.64
Answer: 31.48
- Line up the decimal points
- 10.84 + 20.64 = 31.48
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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