Year 4 Adding and Subtracting Decimals Worksheet — Level 3 — Practice Set 2 — 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 2 — Answers
Line up the decimal points before you add or subtract.
1.
15.92
−14.63
Answer: 1.29
- Line up the decimal points
- 15.92 − 14.63 = 1.29
2.
330.80
−73.06
Answer: 257.74
- Line up the decimal points
- 330.80 − 73.06 = 257.74
3.
397.93
−79.94
Answer: 317.99
- Line up the decimal points
- 397.93 − 79.94 = 317.99
4.
331.07
+152.00
Answer: 483.07
- Line up the decimal points
- 331.07 + 152.00 = 483.07
5.
117.52
+118.49
Answer: 236.01
- Line up the decimal points
- 117.52 + 118.49 = 236.01
6.
320.51
−100.59
Answer: 219.92
- Line up the decimal points
- 320.51 − 100.59 = 219.92
7.
229.51
+103.07
Answer: 332.58
- Line up the decimal points
- 229.51 + 103.07 = 332.58
8.
349.63
−172.13
Answer: 177.50
- Line up the decimal points
- 349.63 − 172.13 = 177.50
9.
321.10
−66.40
Answer: 254.70
- Line up the decimal points
- 321.10 − 66.40 = 254.70
10.
183.56
−133.54
Answer: 50.02
- Line up the decimal points
- 183.56 − 133.54 = 50.02
11.
126.75
−115.69
Answer: 11.06
- Line up the decimal points
- 126.75 − 115.69 = 11.06
12.
60.22
+177.03
Answer: 237.25
- Line up the decimal points
- 60.22 + 177.03 = 237.25
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.
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