Year 7 Adding and Subtracting Decimals Worksheet — Level 2 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 7 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · DecimalsYear 7 Adding and Subtracting Decimals Worksheet — Level 2 — Practice Set 4 — Answers
Line up the decimal points before you add or subtract.
1.
3.29
−1.85
Answer: 1.44
- Line up the decimal points
- 3.29 − 1.85 = 1.44
2.
13.79
+32.39
Answer: 46.18
- Line up the decimal points
- 13.79 + 32.39 = 46.18
3.
34.85
+3.39
Answer: 38.24
- Line up the decimal points
- 34.85 + 3.39 = 38.24
4.
26.80
+12.47
Answer: 39.27
- Line up the decimal points
- 26.80 + 12.47 = 39.27
5.
17.07
−6.17
Answer: 10.90
- Line up the decimal points
- 17.07 − 6.17 = 10.90
6.
55.01
−16.89
Answer: 38.12
- Line up the decimal points
- 55.01 − 16.89 = 38.12
7.
55.53
−5.40
Answer: 50.13
- Line up the decimal points
- 55.53 − 5.40 = 50.13
8.
48.96
+30.61
Answer: 79.57
- Line up the decimal points
- 48.96 + 30.61 = 79.57
9.
36.40
+15.45
Answer: 51.85
- Line up the decimal points
- 36.40 + 15.45 = 51.85
10.
24.53
−10.60
Answer: 13.93
- Line up the decimal points
- 24.53 − 10.60 = 13.93
11.
50.74
−36.65
Answer: 14.09
- Line up the decimal points
- 50.74 − 36.65 = 14.09
12.
57.82
−18.54
Answer: 39.28
- Line up the decimal points
- 57.82 − 18.54 = 39.28
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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