Subtract Crossing 10 within 20
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2, 3, & 4 as subtrahends
1.OA.6, 2.OA.2
5 as a subtrahend (2)
1.OA.6, 2.OA.2
7 as a subtrahend
1.OA.6, 2.OA.2
8 as a subtrahend (2)
1.OA.6, 2.OA.2
2, 3, & 4 as subtrahends (2)
1.OA.6, 2.OA.2
6 as a subtrahend
1.OA.6, 2.OA.2
7 as a subtrahend (2)
1.OA.6, 2.OA.2
9 as a subtrahend
1.OA.6, 2.OA.2
5 as a subtrahend
1.OA.6, 2.OA.2
6 as a subtrahend (2)
1.OA.6, 2.OA.2
8 as a subtrahend
1.OA.6, 2.OA.2
9 as a subtrahend (2)
1.OA.6, 2.OA.2
Subtract crossing 10 within 20
1.OA.6, 2.OA.2
Equivalent number sentences (2)
1.OA.6, 2.OA.2
Add & subtract crossing 10 within 20
1.OA.6, 2.OA.2

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