Year 6 Adding and Subtracting Decimals Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 6 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · DecimalsYear 6 Adding and Subtracting Decimals Worksheet — Level 1 — Answers
Line up the decimal points before you add or subtract.
1.
35.9
−1.1
Answer: 34.8
- Line up the decimal points
- 35.9 − 1.1 = 34.8
2.
6.2
+8.0
Answer: 14.2
- Line up the decimal points
- 6.2 + 8.0 = 14.2
3.
42.1
+27.1
Answer: 69.2
- Line up the decimal points
- 42.1 + 27.1 = 69.2
4.
49.9
+8.8
Answer: 58.7
- Line up the decimal points
- 49.9 + 8.8 = 58.7
5.
38.3
+28.5
Answer: 66.8
- Line up the decimal points
- 38.3 + 28.5 = 66.8
6.
23.8
−4.2
Answer: 19.6
- Line up the decimal points
- 23.8 − 4.2 = 19.6
7.
38.3
−3.7
Answer: 34.6
- Line up the decimal points
- 38.3 − 3.7 = 34.6
8.
18.9
+9.7
Answer: 28.6
- Line up the decimal points
- 18.9 + 9.7 = 28.6
9.
27.6
+30.7
Answer: 58.3
- Line up the decimal points
- 27.6 + 30.7 = 58.3
10.
22.4
+13.3
Answer: 35.7
- Line up the decimal points
- 22.4 + 13.3 = 35.7
11.
55.1
+35.9
Answer: 91.0
- Line up the decimal points
- 55.1 + 35.9 = 91.0
12.
19.3
+17.9
Answer: 37.2
- Line up the decimal points
- 19.3 + 17.9 = 37.2
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.