Common Core MATH 1 NBT 5 Grade 1 Number And Operations In Base Ten Use Place Value Understanding And Properties Of Operations To Add And Subtract

Number And Operations In Base Ten: Use Place Value Understanding And Properties Of Operations To Add And Subtract.

Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

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• Questions: Counting by 10s
• More & Less (2-Digit)
• More & Less (2-Digit)