Year 6 Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 6 decimals worksheet.
Year 6 Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 3 — Answers
Line up the decimal points before you add or subtract.
1.
24.6
−20.9
Answer: 3.7
- Line up the decimal points
- 24.6 − 20.9 = 3.7
2.
33.6
+13.3
Answer: 46.9
- Line up the decimal points
- 33.6 + 13.3 = 46.9
3.
5.2
−2.4
Answer: 2.8
- Line up the decimal points
- 5.2 − 2.4 = 2.8
4.
52.6
+19.6
Answer: 72.2
- Line up the decimal points
- 52.6 + 19.6 = 72.2
5.
11.3
+26.5
Answer: 37.8
- Line up the decimal points
- 11.3 + 26.5 = 37.8
6.
52.9
+14.4
Answer: 67.3
- Line up the decimal points
- 52.9 + 14.4 = 67.3
7.
58.3
+25.6
Answer: 83.9
- Line up the decimal points
- 58.3 + 25.6 = 83.9
8.
40.4
+35.2
Answer: 75.6
- Line up the decimal points
- 40.4 + 35.2 = 75.6
9.
32.4
−1.4
Answer: 31.0
- Line up the decimal points
- 32.4 − 1.4 = 31.0
10.
27.5
−11.1
Answer: 16.4
- Line up the decimal points
- 27.5 − 11.1 = 16.4
11.
24.2
−18.0
Answer: 6.2
- Line up the decimal points
- 24.2 − 18.0 = 6.2
12.
35.3
−3.8
Answer: 31.5
- Line up the decimal points
- 35.3 − 3.8 = 31.5
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.