Year 8 Adding and Subtracting Decimals Worksheet — Level 2 — Practice Set 3 — 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 2 — Practice Set 3 — Answers
Line up the decimal points before you add or subtract.
1.
9.13
+18.16
Answer: 27.29
- Line up the decimal points
- 9.13 + 18.16 = 27.29
2.
25.30
+24.74
Answer: 50.04
- Line up the decimal points
- 25.30 + 24.74 = 50.04
3.
41.18
+33.26
Answer: 74.44
- Line up the decimal points
- 41.18 + 33.26 = 74.44
4.
53.63
+18.26
Answer: 71.89
- Line up the decimal points
- 53.63 + 18.26 = 71.89
5.
26.92
+22.23
Answer: 49.15
- Line up the decimal points
- 26.92 + 22.23 = 49.15
6.
13.42
+13.54
Answer: 26.96
- Line up the decimal points
- 13.42 + 13.54 = 26.96
7.
16.18
−6.85
Answer: 9.33
- Line up the decimal points
- 16.18 − 6.85 = 9.33
8.
45.66
−33.27
Answer: 12.39
- Line up the decimal points
- 45.66 − 33.27 = 12.39
9.
45.82
−36.07
Answer: 9.75
- Line up the decimal points
- 45.82 − 36.07 = 9.75
10.
44.76
+19.09
Answer: 63.85
- Line up the decimal points
- 44.76 + 19.09 = 63.85
11.
9.12
−3.82
Answer: 5.30
- Line up the decimal points
- 9.12 − 3.82 = 5.30
12.
22.47
+7.66
Answer: 30.13
- Line up the decimal points
- 22.47 + 7.66 = 30.13
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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