Year 6 Adding and Subtracting Decimals Worksheet — Level 3 — Practice Set 3 — 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 3 — Answers
Line up the decimal points before you add or subtract.
1.
108.53
−56.68
Answer: 51.85
- Line up the decimal points
- 108.53 − 56.68 = 51.85
2.
218.64
+74.99
Answer: 293.63
- Line up the decimal points
- 218.64 + 74.99 = 293.63
3.
102.60
+120.70
Answer: 223.30
- Line up the decimal points
- 102.60 + 120.70 = 223.30
4.
174.23
+110.42
Answer: 284.65
- Line up the decimal points
- 174.23 + 110.42 = 284.65
5.
287.16
−178.52
Answer: 108.64
- Line up the decimal points
- 287.16 − 178.52 = 108.64
6.
221.03
−109.76
Answer: 111.27
- Line up the decimal points
- 221.03 − 109.76 = 111.27
7.
192.96
−151.71
Answer: 41.25
- Line up the decimal points
- 192.96 − 151.71 = 41.25
8.
197.12
−96.09
Answer: 101.03
- Line up the decimal points
- 197.12 − 96.09 = 101.03
9.
162.10
+64.20
Answer: 226.30
- Line up the decimal points
- 162.10 + 64.20 = 226.30
10.
203.44
−51.64
Answer: 151.80
- Line up the decimal points
- 203.44 − 51.64 = 151.80
11.
232.84
−120.36
Answer: 112.48
- Line up the decimal points
- 232.84 − 120.36 = 112.48
12.
322.98
+67.30
Answer: 390.28
- Line up the decimal points
- 322.98 + 67.30 = 390.28
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.