5th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 5th Grade decimals worksheet.
Success TutoringWorksheetsAnswer sheet5th Grade · Mathematics · Decimals5th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Practice Set 2 — Answers
Line up the decimal points before you add or subtract.
1.
35.3
−16.0
Answer: 19.3
- Line up the decimal points
- 35.3 − 16.0 = 19.3
2.
44.6
+9.9
Answer: 54.5
- Line up the decimal points
- 44.6 + 9.9 = 54.5
3.
13.5
−12.6
Answer: 0.9
- Line up the decimal points
- 13.5 − 12.6 = 0.9
4.
57.8
+38.5
Answer: 96.3
- Line up the decimal points
- 57.8 + 38.5 = 96.3
5.
32.8
−19.0
Answer: 13.8
- Line up the decimal points
- 32.8 − 19.0 = 13.8
6.
22.4
+5.5
Answer: 27.9
- Line up the decimal points
- 22.4 + 5.5 = 27.9
7.
21.5
+1.4
Answer: 22.9
- Line up the decimal points
- 21.5 + 1.4 = 22.9
8.
46.1
+1.4
Answer: 47.5
- Line up the decimal points
- 46.1 + 1.4 = 47.5
9.
40.8
+11.4
Answer: 52.2
- Line up the decimal points
- 40.8 + 11.4 = 52.2
10.
47.6
+29.6
Answer: 77.2
- Line up the decimal points
- 47.6 + 29.6 = 77.2
11.
53.3
+39.7
Answer: 93.0
- Line up the decimal points
- 53.3 + 39.7 = 93.0
12.
57.3
+25.5
Answer: 82.8
- Line up the decimal points
- 57.3 + 25.5 = 82.8
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.