Addition and subtraction

Loading

Practice

Equal signGet 5 of 7 questions to level up!
Loading

Learn

No videos or articles available in this lesson

Practice

Loading
Loading
Loading
Loading

About this unit

First, we will learn how addition and subtraction relate. Next, we will add and subtract numbers less than or equal to 20 and solve addition and subtraction word problems. Finally, we will begin adding 2-digit numbers.