Year 6 Adding and Subtracting Decimals Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 6 decimals worksheet.
Year 6 Adding and Subtracting Decimals Worksheet — Level 3 — Practice Set 3 — Answers
Line up the decimal points before you add or subtract.
1.
347.70
−193.54
Answer: 154.16
- Line up the decimal points
- 347.70 − 193.54 = 154.16
2.
172.61
+135.15
Answer: 307.76
- Line up the decimal points
- 172.61 + 135.15 = 307.76
3.
229.83
−71.52
Answer: 158.31
- Line up the decimal points
- 229.83 − 71.52 = 158.31
4.
296.46
+174.35
Answer: 470.81
- Line up the decimal points
- 296.46 + 174.35 = 470.81
5.
35.54
−14.51
Answer: 21.03
- Line up the decimal points
- 35.54 − 14.51 = 21.03
6.
92.41
−21.71
Answer: 70.70
- Line up the decimal points
- 92.41 − 21.71 = 70.70
7.
371.77
−174.00
Answer: 197.77
- Line up the decimal points
- 371.77 − 174.00 = 197.77
8.
200.62
−167.46
Answer: 33.16
- Line up the decimal points
- 200.62 − 167.46 = 33.16
9.
293.21
−157.43
Answer: 135.78
- Line up the decimal points
- 293.21 − 157.43 = 135.78
10.
30.00
+96.81
Answer: 126.81
- Line up the decimal points
- 30.00 + 96.81 = 126.81
11.
260.20
+145.87
Answer: 406.07
- Line up the decimal points
- 260.20 + 145.87 = 406.07
12.
102.96
+55.71
Answer: 158.67
- Line up the decimal points
- 102.96 + 55.71 = 158.67
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.