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Addition and subtraction

Relate addition and subtraction

Addition within 20

Subtraction within 20

Equal sign

Missing number within 20

Word problems within 20

Word problems with "more" and "fewer"

Adding 1s and 10s

Intro to addition with 2-digit numbers

Missing number within 20

Discover how to find missing numbers in addition and subtraction equations within 20, enhancing problem-solving skills and understanding of numerical relationships.

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