Add 2-digit #s without renaming

5Add 2-digit numbers within 100 without renaming.png
5Add 2-digit numbers within 100 without renaming.png

Add 2-digit #s without renaming

0.99

1.NBT.4, 2.NBT.5

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Additional Information

Before taking this Sprint, students should understand the unit values of 2-digit numbers, e.g.

72 is 7 tens 2 ones