Year 4 Adding and Subtracting Decimals Worksheet — Level 2 — 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 2 — Practice Set 4 — Answers
Line up the decimal points before you add or subtract.
1.
4.19
+37.92
Answer: 42.11
- Line up the decimal points
- 4.19 + 37.92 = 42.11
2.
57.84
+2.41
Answer: 60.25
- Line up the decimal points
- 57.84 + 2.41 = 60.25
3.
4.67
+15.38
Answer: 20.05
- Line up the decimal points
- 4.67 + 15.38 = 20.05
4.
16.78
+7.49
Answer: 24.27
- Line up the decimal points
- 16.78 + 7.49 = 24.27
5.
41.44
−7.00
Answer: 34.44
- Line up the decimal points
- 41.44 − 7.00 = 34.44
6.
37.38
−10.47
Answer: 26.91
- Line up the decimal points
- 37.38 − 10.47 = 26.91
7.
3.21
+40.52
Answer: 43.73
- Line up the decimal points
- 3.21 + 40.52 = 43.73
8.
26.81
+1.10
Answer: 27.91
- Line up the decimal points
- 26.81 + 1.10 = 27.91
9.
57.20
+18.69
Answer: 75.89
- Line up the decimal points
- 57.20 + 18.69 = 75.89
10.
36.20
−29.72
Answer: 6.48
- Line up the decimal points
- 36.20 − 29.72 = 6.48
11.
32.37
+34.59
Answer: 66.96
- Line up the decimal points
- 32.37 + 34.59 = 66.96
12.
24.40
+14.53
Answer: 38.93
- Line up the decimal points
- 24.40 + 14.53 = 38.93
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.