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CCSS.1.OA.C.5
count, calculate, explain; counting, addition, subtraction.
Part of
US Common Core Math
.
Common Core Math
Common Core by state
Skills
Count Back from Number
Counting and Cardinality Foundations
Count On from Number
Counting and Cardinality Foundations
Add Within 20 Strategies
Whole-Number Operations and Fact Fluency
Sub Within 20 Strategies
Whole-Number Operations and Fact Fluency