Click the picture to the left to see a video example of how to complete this activity. Then tap to begin. 1. Start on page 2. Use the tool to choose and move an addition problem to the My Addition Problem box. 2. Solve the problem by breaking apart the addends into tens and ones before adding. Use the tool or the tool to show your work in the My Work box. 3. Click on page 3 and repeat steps 1 and 2. 4. Last, tap the when you are finished to submit your work.
This activity is for students to show what they know with decomposing or break apart strategy for double digit addition. Use this activity as a quick check to see if students can demonstrate the concept.