# If I Know This Then I Know Addition Worksheet

### How to teach Properties of Addition

Using If I Know This Then I Know Addition Worksheet, students solve the addition equations below by applying the commutative property.

Understanding that you can add in any order is important foundation for your students. This worksheet will help them practice the Properties of Addition.

Solve the first addition equation. Next, think about the addends, then solve the second equation. Then, think about what you notice about the similarities between the two equations.

### Other resources to use with this If I Know This Then I Know Addition Worksheet

Introduce the lesson by showing adding two set of objects and then switching the order of adding. Next, ask questions like "What do you think will happen when we switch the order?". Then,  students complete the worksheet independently or with a partner. Finally, students explain how the properties of addition help them solve addition equations. Once finished, challenge students to write their own equations that show the Properties of Addition.

Be sure to check out more Properties Activities.