Year 5 Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 5 decimals worksheet.
Year 5 Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 2 — Answers
Line up the decimal points before you add or subtract.
1.
60.5
+32.8
Answer: 93.3
- Line up the decimal points
- 60.5 + 32.8 = 93.3
2.
52.6
+33.6
Answer: 86.2
- Line up the decimal points
- 52.6 + 33.6 = 86.2
3.
55.8
−19.9
Answer: 35.9
- Line up the decimal points
- 55.8 − 19.9 = 35.9
4.
11.1
−10.3
Answer: 0.8
- Line up the decimal points
- 11.1 − 10.3 = 0.8
5.
33.2
−22.2
Answer: 11.0
- Line up the decimal points
- 33.2 − 22.2 = 11.0
6.
7.1
+33.5
Answer: 40.6
- Line up the decimal points
- 7.1 + 33.5 = 40.6
7.
55.8
−26.4
Answer: 29.4
- Line up the decimal points
- 55.8 − 26.4 = 29.4
8.
34.6
−6.6
Answer: 28.0
- Line up the decimal points
- 34.6 − 6.6 = 28.0
9.
33.8
+13.1
Answer: 46.9
- Line up the decimal points
- 33.8 + 13.1 = 46.9
10.
6.7
+28.4
Answer: 35.1
- Line up the decimal points
- 6.7 + 28.4 = 35.1
11.
17.7
+32.6
Answer: 50.3
- Line up the decimal points
- 17.7 + 32.6 = 50.3
12.
9.3
+17.9
Answer: 27.2
- Line up the decimal points
- 9.3 + 17.9 = 27.2
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.