Click the "1-73 Student eTool (CPM)" link below.
1. Fill the empty cells with the correct number by finding a pattern of numbers.
![Fill the empty cells with the correct number by finding a pattern of numbers.](https://media.screensteps.com/image_assets/assets/001/208/474/original/e4128e2c-8325-4048-8384-07b891bff5bd.png)
2. To change the color of a cell, click the cell and choose a color.
![To change the color of a cell, click the cell and choose a color.](https://media.screensteps.com/image_assets/assets/001/208/476/original/32cad5c5-fb4e-4a27-b75c-6b55cf6f1c75.png)
3. Answer: Students type in their answers. Click the cell again to change the color
![Answer: Students type in their answers. Click the cell again to change the color](https://media.screensteps.com/image_assets/assets/001/208/472/original/1fc42ced-2f98-4bd3-af08-23f5fa2e0b0c.png)