Year 7 Adding and Subtracting Decimals Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 7 decimals worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · DecimalsYear 7 Adding and Subtracting Decimals Worksheet — Level 3 — Practice Set 4 — Answers
Line up the decimal points before you add or subtract.
1.
365.29
−104.76
Answer: 260.53
- Line up the decimal points
- 365.29 − 104.76 = 260.53
2.
22.32
+32.93
Answer: 55.25
- Line up the decimal points
- 22.32 + 32.93 = 55.25
3.
197.19
−47.32
Answer: 149.87
- Line up the decimal points
- 197.19 − 47.32 = 149.87
4.
250.84
−162.48
Answer: 88.36
- Line up the decimal points
- 250.84 − 162.48 = 88.36
5.
347.15
+132.66
Answer: 479.81
- Line up the decimal points
- 347.15 + 132.66 = 479.81
6.
373.15
−112.39
Answer: 260.76
- Line up the decimal points
- 373.15 − 112.39 = 260.76
7.
172.40
−96.56
Answer: 75.84
- Line up the decimal points
- 172.40 − 96.56 = 75.84
8.
45.25
+57.52
Answer: 102.77
- Line up the decimal points
- 45.25 + 57.52 = 102.77
9.
336.48
+142.03
Answer: 478.51
- Line up the decimal points
- 336.48 + 142.03 = 478.51
10.
367.35
+66.28
Answer: 433.63
- Line up the decimal points
- 367.35 + 66.28 = 433.63
11.
124.43
−56.25
Answer: 68.18
- Line up the decimal points
- 124.43 − 56.25 = 68.18
12.
186.77
−17.32
Answer: 169.45
- Line up the decimal points
- 186.77 − 17.32 = 169.45
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.