Year 4 Adding and Subtracting Decimals Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 4 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 4 · Mathematics · DecimalsYear 4 Adding and Subtracting Decimals Worksheet — Level 3 — Practice Set 4 — Answers
Line up the decimal points before you add or subtract.
1.
159.63
+16.40
Answer: 176.03
- Line up the decimal points
- 159.63 + 16.40 = 176.03
2.
16.32
+187.15
Answer: 203.47
- Line up the decimal points
- 16.32 + 187.15 = 203.47
3.
376.49
+158.03
Answer: 534.52
- Line up the decimal points
- 376.49 + 158.03 = 534.52
4.
228.90
+31.64
Answer: 260.54
- Line up the decimal points
- 228.90 + 31.64 = 260.54
5.
46.93
+118.42
Answer: 165.35
- Line up the decimal points
- 46.93 + 118.42 = 165.35
6.
352.42
−19.38
Answer: 333.04
- Line up the decimal points
- 352.42 − 19.38 = 333.04
7.
214.00
+81.66
Answer: 295.66
- Line up the decimal points
- 214.00 + 81.66 = 295.66
8.
272.66
+95.42
Answer: 368.08
- Line up the decimal points
- 272.66 + 95.42 = 368.08
9.
356.20
−89.03
Answer: 267.17
- Line up the decimal points
- 356.20 − 89.03 = 267.17
10.
68.84
+130.40
Answer: 199.24
- Line up the decimal points
- 68.84 + 130.40 = 199.24
11.
146.42
+160.86
Answer: 307.28
- Line up the decimal points
- 146.42 + 160.86 = 307.28
12.
395.48
+63.46
Answer: 458.94
- Line up the decimal points
- 395.48 + 63.46 = 458.94
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.
Great work. Here's what to try next: