Year 4 Adding and Subtracting Decimals Worksheet — Level 1 — 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 1 — Practice Set 2 — Answers
Line up the decimal points before you add or subtract.
1.
20.6
+39.9
Answer: 60.5
- Line up the decimal points
- 20.6 + 39.9 = 60.5
2.
38.4
+14.4
Answer: 52.8
- Line up the decimal points
- 38.4 + 14.4 = 52.8
3.
14.4
+2.3
Answer: 16.7
- Line up the decimal points
- 14.4 + 2.3 = 16.7
4.
11.3
+2.1
Answer: 13.4
- Line up the decimal points
- 11.3 + 2.1 = 13.4
5.
21.1
+6.1
Answer: 27.2
- Line up the decimal points
- 21.1 + 6.1 = 27.2
6.
17.1
+22.1
Answer: 39.2
- Line up the decimal points
- 17.1 + 22.1 = 39.2
7.
36.1
+34.8
Answer: 70.9
- Line up the decimal points
- 36.1 + 34.8 = 70.9
8.
31.8
+22.3
Answer: 54.1
- Line up the decimal points
- 31.8 + 22.3 = 54.1
9.
10.2
+24.7
Answer: 34.9
- Line up the decimal points
- 10.2 + 24.7 = 34.9
10.
15.9
+20.5
Answer: 36.4
- Line up the decimal points
- 15.9 + 20.5 = 36.4
11.
22.1
+3.8
Answer: 25.9
- Line up the decimal points
- 22.1 + 3.8 = 25.9
12.
60.6
+13.5
Answer: 74.1
- Line up the decimal points
- 60.6 + 13.5 = 74.1
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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