Year 7 Adding and Subtracting Decimals Worksheet — Level 3 — 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 — Answers
Line up the decimal points before you add or subtract.
1.
394.30
−171.12
Answer: 223.18
- Line up the decimal points
- 394.30 − 171.12 = 223.18
2.
210.22
−172.83
Answer: 37.39
- Line up the decimal points
- 210.22 − 172.83 = 37.39
3.
234.79
−89.56
Answer: 145.23
- Line up the decimal points
- 234.79 − 89.56 = 145.23
4.
126.25
+113.39
Answer: 239.64
- Line up the decimal points
- 126.25 + 113.39 = 239.64
5.
379.97
−149.18
Answer: 230.79
- Line up the decimal points
- 379.97 − 149.18 = 230.79
6.
310.73
−17.44
Answer: 293.29
- Line up the decimal points
- 310.73 − 17.44 = 293.29
7.
346.79
+153.53
Answer: 500.32
- Line up the decimal points
- 346.79 + 153.53 = 500.32
8.
117.60
+59.47
Answer: 177.07
- Line up the decimal points
- 117.60 + 59.47 = 177.07
9.
331.25
+188.36
Answer: 519.61
- Line up the decimal points
- 331.25 + 188.36 = 519.61
10.
275.37
−154.72
Answer: 120.65
- Line up the decimal points
- 275.37 − 154.72 = 120.65
11.
242.54
+9.65
Answer: 252.19
- Line up the decimal points
- 242.54 + 9.65 = 252.19
12.
175.80
−133.99
Answer: 41.81
- Line up the decimal points
- 175.80 − 133.99 = 41.81
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