Adding with missing addends (unknown numbers) is a hard concept. These practice pages will let students practice adding with missing numbers or addends by dragging and dropping the numbers to rearrange the equation and then solving the problem.
The will also practice rewriting the problem as a subtractions problem. Story problems have also been added so students can see the relationship between missing addends and equations.
Use this on an interactive whiteboard or in Google Classroom (iPads and laptops).
The PDF includes a link to step by step instruction to copy the Google Slide resource to your own Google Drive.
20 slides/practice problems