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Standards/Math/Alabama/1.13

1.13

1 Grade 1
1.1
1.10
1.11
1.12
1.13
1.13.a1.13.b1.13.c1.13.d
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1.2
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1.3
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1.DA
1.G
1.M
1.OAT
1.ONBT

Add within 100, using concrete models or drawings and strategies based on place value.

1.13.aAdd a two-digit number and a one-digit number.1.13.bAdd a two-digit number and a multiple of 10.1.13.cDemonstrate that in adding two-digit numbers, tens are added to tens, ones are added to ones, and sometimes it is necessary to compose a ten.1.13.dRelate the strategy for adding a two-digit number and a one-digit number to a written method and explain the reasoning used.
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