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Unit: Addition and subtraction

Identify your areas for growth in these lessons:
Identify your areas for growth in this lesson:
Test your understanding of Addition and subtraction with these 39 questions.

About this unit

In this topic, we will add and subtract whole numbers. The topic starts with 1+1=2 and goes through adding and subtracting within 1000. We will cover regrouping, borrowing, and word problems.