< Mathematics Worksheet INTRODUCTION
Follow the examples below when doing this worksheet:
- 22 + 42 = 64
- 42 + (-21) = 42 - 21 = 21
- 37 - 18 = 19
- 55 - (-21) = 55 + 21 = 76
- 31 + 5 = 36
- 36 - 5 = 31
- 36 - 55 = -19
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