Year 6 Adding and Subtracting Decimals Worksheet — Level 3 — Practice Set 4 — 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 3 — Practice Set 4 — Answers
Line up the decimal points before you add or subtract.
1.
380.51
+149.33
Answer: 529.84
- Line up the decimal points
- 380.51 + 149.33 = 529.84
2.
228.08
+45.39
Answer: 273.47
- Line up the decimal points
- 228.08 + 45.39 = 273.47
3.
383.25
+79.53
Answer: 462.78
- Line up the decimal points
- 383.25 + 79.53 = 462.78
4.
167.76
−51.12
Answer: 116.64
- Line up the decimal points
- 167.76 − 51.12 = 116.64
5.
204.96
−180.73
Answer: 24.23
- Line up the decimal points
- 204.96 − 180.73 = 24.23
6.
239.68
+142.33
Answer: 382.01
- Line up the decimal points
- 239.68 + 142.33 = 382.01
7.
15.50
+195.88
Answer: 211.38
- Line up the decimal points
- 15.50 + 195.88 = 211.38
8.
90.00
−85.71
Answer: 4.29
- Line up the decimal points
- 90.00 − 85.71 = 4.29
9.
283.51
+74.18
Answer: 357.69
- Line up the decimal points
- 283.51 + 74.18 = 357.69
10.
52.72
+188.38
Answer: 241.10
- Line up the decimal points
- 52.72 + 188.38 = 241.10
11.
296.55
−190.70
Answer: 105.85
- Line up the decimal points
- 296.55 − 190.70 = 105.85
12.
247.82
−117.43
Answer: 130.39
- Line up the decimal points
- 247.82 − 117.43 = 130.39
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.