Year 8 Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 8 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · DecimalsYear 8 Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 2 — Answers
Line up the decimal points before you add or subtract.
1.
24.9
−13.3
Answer: 11.6
- Line up the decimal points
- 24.9 − 13.3 = 11.6
2.
55.6
+29.0
Answer: 84.6
- Line up the decimal points
- 55.6 + 29.0 = 84.6
3.
53.1
−14.1
Answer: 39.0
- Line up the decimal points
- 53.1 − 14.1 = 39.0
4.
33.2
+1.6
Answer: 34.8
- Line up the decimal points
- 33.2 + 1.6 = 34.8
5.
33.6
+2.9
Answer: 36.5
- Line up the decimal points
- 33.6 + 2.9 = 36.5
6.
8.6
+32.8
Answer: 41.4
- Line up the decimal points
- 8.6 + 32.8 = 41.4
7.
8.9
+2.7
Answer: 11.6
- Line up the decimal points
- 8.9 + 2.7 = 11.6
8.
10.8
+6.2
Answer: 17.0
- Line up the decimal points
- 10.8 + 6.2 = 17.0
9.
9.4
+13.8
Answer: 23.2
- Line up the decimal points
- 9.4 + 13.8 = 23.2
10.
52.6
+16.6
Answer: 69.2
- Line up the decimal points
- 52.6 + 16.6 = 69.2
11.
13.9
+23.5
Answer: 37.4
- Line up the decimal points
- 13.9 + 23.5 = 37.4
12.
60.3
+6.1
Answer: 66.4
- Line up the decimal points
- 60.3 + 6.1 = 66.4
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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