Addition with Regrouping Question
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Grade 2 Addition with Regrouping CCSS: 2.NBT.B.5
What is the rule for this input/output table?
| Input | 16 | 27 | 52 | 64 |
|---|---|---|---|---|
| Output | 31 | 42 | 67 | 79 |
- add 11
- add 15
- subtract 11
- subtract 15