4th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 4th Grade decimals worksheet.
Success TutoringWorksheetsAnswer sheet4th Grade · Mathematics · Decimals4th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 3 — Answers
Line up the decimal points before you add or subtract.
1.
39.7
−11.6
Answer: 28.1
- Line up the decimal points
- 39.7 − 11.6 = 28.1
2.
47.4
+12.0
Answer: 59.4
- Line up the decimal points
- 47.4 + 12.0 = 59.4
3.
30.6
−15.8
Answer: 14.8
- Line up the decimal points
- 30.6 − 15.8 = 14.8
4.
34.2
−6.5
Answer: 27.7
- Line up the decimal points
- 34.2 − 6.5 = 27.7
5.
23.0
+28.0
Answer: 51.0
- Line up the decimal points
- 23.0 + 28.0 = 51.0
6.
44.0
+12.7
Answer: 56.7
- Line up the decimal points
- 44.0 + 12.7 = 56.7
7.
31.7
+32.2
Answer: 63.9
- Line up the decimal points
- 31.7 + 32.2 = 63.9
8.
43.0
−24.1
Answer: 18.9
- Line up the decimal points
- 43.0 − 24.1 = 18.9
9.
41.8
+8.0
Answer: 49.8
- Line up the decimal points
- 41.8 + 8.0 = 49.8
10.
14.8
+9.1
Answer: 23.9
- Line up the decimal points
- 14.8 + 9.1 = 23.9
11.
19.8
+38.4
Answer: 58.2
- Line up the decimal points
- 19.8 + 38.4 = 58.2
12.
53.0
+24.8
Answer: 77.8
- Line up the decimal points
- 53.0 + 24.8 = 77.8
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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