CC2 2.2.3: 2-58 Student eTool (CPM)

1. The user can:

  • Drag tiles from the tray to the Display area.
  • Click tiles to change color to black.
  • Drag a textbox to the display area to label or explain.

2. Build the expressions by:

  • Displaying the correct number of positive and negative tiles.
  • Double clicking tiles which result in a value of 0 turning them black.
  • Using a textbox to write the answer.
Build the expressions by: