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Year 7 Adding and Subtracting Decimals Worksheet — Level 1 — Answers

Answer sheet with worked solutions for the Year 7 decimals worksheet.

Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Decimals

Year 7 Adding and Subtracting Decimals Worksheet — Level 1 — Answers

Line up the decimal points before you add or subtract.

1.
3.7
+34.3

Answer: 38.0

  1. Line up the decimal points
  2. 3.7 + 34.3 = 38.0
2.
38.7
+40.7

Answer: 79.4

  1. Line up the decimal points
  2. 38.7 + 40.7 = 79.4
3.
26.3
−22.1

Answer: 4.2

  1. Line up the decimal points
  2. 26.3 − 22.1 = 4.2
4.
23.1
−7.8

Answer: 15.3

  1. Line up the decimal points
  2. 23.1 − 7.8 = 15.3
5.
30.7
+21.6

Answer: 52.3

  1. Line up the decimal points
  2. 30.7 + 21.6 = 52.3
6.
30.3
−25.1

Answer: 5.2

  1. Line up the decimal points
  2. 30.3 − 25.1 = 5.2
7.
45.1
+32.9

Answer: 78.0

  1. Line up the decimal points
  2. 45.1 + 32.9 = 78.0
8.
60.5
+8.7

Answer: 69.2

  1. Line up the decimal points
  2. 60.5 + 8.7 = 69.2
9.
27.1
−10.7

Answer: 16.4

  1. Line up the decimal points
  2. 27.1 − 10.7 = 16.4
10.
32.8
−25.6

Answer: 7.2

  1. Line up the decimal points
  2. 32.8 − 25.6 = 7.2
11.
4.9
+5.2

Answer: 10.1

  1. Line up the decimal points
  2. 4.9 + 5.2 = 10.1
12.
15.3
−15.1

Answer: 0.2

  1. Line up the decimal points
  2. 15.3 − 15.1 = 0.2
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