Year 7 Adding and Subtracting Decimals Worksheet — Level 2 — Practice Set 2 — 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 2 — Answers
Line up the decimal points before you add or subtract.
1.
48.03
+23.18
Answer: 71.21
- Line up the decimal points
- 48.03 + 23.18 = 71.21
2.
13.66
+29.33
Answer: 42.99
- Line up the decimal points
- 13.66 + 29.33 = 42.99
3.
50.25
+34.92
Answer: 85.17
- Line up the decimal points
- 50.25 + 34.92 = 85.17
4.
28.24
+33.71
Answer: 61.95
- Line up the decimal points
- 28.24 + 33.71 = 61.95
5.
11.00
+38.18
Answer: 49.18
- Line up the decimal points
- 11.00 + 38.18 = 49.18
6.
17.60
+31.77
Answer: 49.37
- Line up the decimal points
- 17.60 + 31.77 = 49.37
7.
56.84
+2.61
Answer: 59.45
- Line up the decimal points
- 56.84 + 2.61 = 59.45
8.
54.92
−18.54
Answer: 36.38
- Line up the decimal points
- 54.92 − 18.54 = 36.38
9.
5.32
+36.70
Answer: 42.02
- Line up the decimal points
- 5.32 + 36.70 = 42.02
10.
59.58
+25.52
Answer: 85.10
- Line up the decimal points
- 59.58 + 25.52 = 85.10
11.
47.96
+26.97
Answer: 74.93
- Line up the decimal points
- 47.96 + 26.97 = 74.93
12.
59.24
−9.00
Answer: 50.24
- Line up the decimal points
- 59.24 − 9.00 = 50.24
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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