6th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 6th Grade decimals worksheet.
6th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Answers
Line up the decimal points before you add or subtract.
1.
25.0
−18.2
Answer: 6.8
- Line up the decimal points
- 25.0 − 18.2 = 6.8
2.
54.8
−24.8
Answer: 30.0
- Line up the decimal points
- 54.8 − 24.8 = 30.0
3.
46.4
−21.5
Answer: 24.9
- Line up the decimal points
- 46.4 − 21.5 = 24.9
4.
58.1
+10.3
Answer: 68.4
- Line up the decimal points
- 58.1 + 10.3 = 68.4
5.
55.9
+14.6
Answer: 70.5
- Line up the decimal points
- 55.9 + 14.6 = 70.5
6.
52.0
−7.1
Answer: 44.9
- Line up the decimal points
- 52.0 − 7.1 = 44.9
7.
46.5
−8.6
Answer: 37.9
- Line up the decimal points
- 46.5 − 8.6 = 37.9
8.
50.4
−13.9
Answer: 36.5
- Line up the decimal points
- 50.4 − 13.9 = 36.5
9.
20.4
−12.9
Answer: 7.5
- Line up the decimal points
- 20.4 − 12.9 = 7.5
10.
56.1
−7.6
Answer: 48.5
- Line up the decimal points
- 56.1 − 7.6 = 48.5
11.
61.0
−28.2
Answer: 32.8
- Line up the decimal points
- 61.0 − 28.2 = 32.8
12.
1.1
+35.1
Answer: 36.2
- Line up the decimal points
- 1.1 + 35.1 = 36.2
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.