1. Have your audio on. Click the space bar to advance.

2. Follow the directions below and then press the space bar to see if you were right. Tristan has 4 fewer grapes than Regan in his lunch. Abby has 2 more grapes than Tristan. Let x represent the number of grapes that Regan has. Write an expression that represents the number of grapes of all of them combined. Use your expression to answer: If Regan has 15 grapes, calculate the total number of grapes that all three students have.

3. If the video does not play click: Press the space bar to play the video to see if you were right. Click the video to start watching. https://youtu.be/hZFFcmqVMks

4. Follow the directions below and then press the space bar to see if you were right. Matthew has 3 more pens than Lisa in his backpack. Daniel has twice as many pens as Matthew. Let x represent the number of pens that Lisa has. Write an expression that represents the total of the boys’ pens. Use your expression to answer: If Lisa has 2 pens in her backpack, calculate the total number of pens that the boys have.

5. If the video does not play click: Press the space bar to play the video to see if you were right. https://youtu.be/c0BCkLITQrc