🔺 Day 20: Addition and Subtraction Review

Day 20: Addition and Subtraction Review

Introduction

What have you learned so far?  You should know and understand what addition and subtraction is and how we can compose and decompose numbers.  Addition is putting together sets and subtraction is taking away from a set.  These can be shown using pictures, number sentences, or story problems.  Watch the video to review and then complete the activity.

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Video

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Interactive

         Match the problem cards with the correct answer.

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