Add & sub 2-digit #s without renaming

7Add and subtract 2-digit numbers without renaming.png
7Add and subtract 2-digit numbers without renaming.png

Add & sub 2-digit #s without renaming

0.99

2.NBT.5

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About This Sprint

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

59 is 5 tens 9 ones