Addition Question
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Grade 2 Addition CCSS: 2.NBT.B.5
What is the rule for this input/output table?
| Input | Output |
|---|---|
| 9 | 12 |
| 11 | 14 |
| 13 | 16 |
| 15 | 18 |
- add 2
- add 3
- subtract 2
- subtract 3