Year 4 Adding and Subtracting Decimals Worksheet — Level 1 — 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 1 — Practice Set 4 — Answers
Line up the decimal points before you add or subtract.
1.
47.5
+5.8
Answer: 53.3
- Line up the decimal points
- 47.5 + 5.8 = 53.3
2.
35.1
+29.8
Answer: 64.9
- Line up the decimal points
- 35.1 + 29.8 = 64.9
3.
52.4
+30.4
Answer: 82.8
- Line up the decimal points
- 52.4 + 30.4 = 82.8
4.
39.7
+12.5
Answer: 52.2
- Line up the decimal points
- 39.7 + 12.5 = 52.2
5.
20.1
−12.0
Answer: 8.1
- Line up the decimal points
- 20.1 − 12.0 = 8.1
6.
42.6
−2.4
Answer: 40.2
- Line up the decimal points
- 42.6 − 2.4 = 40.2
7.
4.1
+31.2
Answer: 35.3
- Line up the decimal points
- 4.1 + 31.2 = 35.3
8.
60.7
+18.3
Answer: 79.0
- Line up the decimal points
- 60.7 + 18.3 = 79.0
9.
25.6
+36.0
Answer: 61.6
- Line up the decimal points
- 25.6 + 36.0 = 61.6
10.
11.5
+22.6
Answer: 34.1
- Line up the decimal points
- 11.5 + 22.6 = 34.1
11.
11.3
+17.5
Answer: 28.8
- Line up the decimal points
- 11.3 + 17.5 = 28.8
12.
34.1
−32.1
Answer: 2.0
- Line up the decimal points
- 34.1 − 32.1 = 2.0
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
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