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7th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Answers

Answer sheet with worked solutions for the 7th Grade decimals worksheet.

Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Decimals

7th Grade Adding and Subtracting Decimals Worksheet — Level 1 — Answers

Line up the decimal points before you add or subtract.

1.
52.9
+13.0

Answer: 65.9

  1. Line up the decimal points
  2. 52.9 + 13.0 = 65.9
2.
44.0
+11.2

Answer: 55.2

  1. Line up the decimal points
  2. 44.0 + 11.2 = 55.2
3.
20.0
+39.2

Answer: 59.2

  1. Line up the decimal points
  2. 20.0 + 39.2 = 59.2
4.
20.1
−9.7

Answer: 10.4

  1. Line up the decimal points
  2. 20.1 − 9.7 = 10.4
5.
49.8
−37.5

Answer: 12.3

  1. Line up the decimal points
  2. 49.8 − 37.5 = 12.3
6.
5.3
+22.6

Answer: 27.9

  1. Line up the decimal points
  2. 5.3 + 22.6 = 27.9
7.
58.2
−7.7

Answer: 50.5

  1. Line up the decimal points
  2. 58.2 − 7.7 = 50.5
8.
38.9
−12.5

Answer: 26.4

  1. Line up the decimal points
  2. 38.9 − 12.5 = 26.4
9.
19.9
+12.1

Answer: 32.0

  1. Line up the decimal points
  2. 19.9 + 12.1 = 32.0
10.
54.2
−12.7

Answer: 41.5

  1. Line up the decimal points
  2. 54.2 − 12.7 = 41.5
11.
36.3
−6.5

Answer: 29.8

  1. Line up the decimal points
  2. 36.3 − 6.5 = 29.8
12.
33.0
−12.3

Answer: 20.7

  1. Line up the decimal points
  2. 33.0 − 12.3 = 20.7
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