Instructions:

1. Before starting the video, mentally solve 40 – 26 at least two ways.
   
2. Watch the video below, first you will hear other educators share their thinking and then second-grade students sharing their strategies for solving 40 – 26.  Pause the video after each student shares and describe the student’s thinking.

3. Think about 123 – 76 and record two different approaches for solving. Consider trying a strategy that is new to you.
   
4. Watch the video below and observe the seventh-grade students sharing their thinking. Pause the video after each strategy and describe the student’s thinking. 

If you are taking the course for credit, submit your work below.