Year 7 Adding and Subtracting Decimals Worksheet — Level 1 — 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 1 — Answers
Line up the decimal points before you add or subtract.
1.
36.1
−30.9
Answer: 5.2
- Line up the decimal points
- 36.1 − 30.9 = 5.2
2.
8.1
+20.8
Answer: 28.9
- Line up the decimal points
- 8.1 + 20.8 = 28.9
3.
31.2
+1.1
Answer: 32.3
- Line up the decimal points
- 31.2 + 1.1 = 32.3
4.
48.6
−24.5
Answer: 24.1
- Line up the decimal points
- 48.6 − 24.5 = 24.1
5.
36.6
−22.5
Answer: 14.1
- Line up the decimal points
- 36.6 − 22.5 = 14.1
6.
24.4
−7.4
Answer: 17.0
- Line up the decimal points
- 24.4 − 7.4 = 17.0
7.
41.9
+25.7
Answer: 67.6
- Line up the decimal points
- 41.9 + 25.7 = 67.6
8.
24.9
−6.4
Answer: 18.5
- Line up the decimal points
- 24.9 − 6.4 = 18.5
9.
9.9
+31.6
Answer: 41.5
- Line up the decimal points
- 9.9 + 31.6 = 41.5
10.
32.8
+1.0
Answer: 33.8
- Line up the decimal points
- 32.8 + 1.0 = 33.8
11.
52.2
+3.4
Answer: 55.6
- Line up the decimal points
- 52.2 + 3.4 = 55.6
12.
56.0
−12.2
Answer: 43.8
- Line up the decimal points
- 56.0 − 12.2 = 43.8
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