Math
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Addition Properties Lab
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Addition Properties Lab
a + b = b + a
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Three numbers
Sprint
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2 numbers
3 numbers
Turn around ⇄
New numbers
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Hint
Show answer
New problem
Problems
Turn-around fact
Missing number
True or false
Sums
within 10
within 20
Numbers
Two make 10
A double
Any three
Add-first step box
Must add two first
Number line
Numbers on cubes
Show cubes before hint
1:00
✓ 0
7
8
9
4
5
6
1
2
3
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0
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