Year 5 Adding and Subtracting Decimals Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the Year 5 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 5 · Mathematics · DecimalsYear 5 Adding and Subtracting Decimals Worksheet — Level 3 — Answers
Line up the decimal points before you add or subtract.
1.
272.80
−33.39
Answer: 239.41
- Line up the decimal points
- 272.80 − 33.39 = 239.41
2.
195.91
−184.18
Answer: 11.73
- Line up the decimal points
- 195.91 − 184.18 = 11.73
3.
63.23
−24.02
Answer: 39.21
- Line up the decimal points
- 63.23 − 24.02 = 39.21
4.
197.65
−65.97
Answer: 131.68
- Line up the decimal points
- 197.65 − 65.97 = 131.68
5.
182.03
+170.36
Answer: 352.39
- Line up the decimal points
- 182.03 + 170.36 = 352.39
6.
306.08
+158.41
Answer: 464.49
- Line up the decimal points
- 306.08 + 158.41 = 464.49
7.
89.53
+154.76
Answer: 244.29
- Line up the decimal points
- 89.53 + 154.76 = 244.29
8.
158.04
−150.95
Answer: 7.09
- Line up the decimal points
- 158.04 − 150.95 = 7.09
9.
209.55
+158.51
Answer: 368.06
- Line up the decimal points
- 209.55 + 158.51 = 368.06
10.
229.53
+81.17
Answer: 310.70
- Line up the decimal points
- 229.53 + 81.17 = 310.70
11.
221.23
−85.66
Answer: 135.57
- Line up the decimal points
- 221.23 − 85.66 = 135.57
12.
202.61
−96.01
Answer: 106.60
- Line up the decimal points
- 202.61 − 96.01 = 106.60
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.
- Celebrate what went well first, then pick one thing to work on next.