1. 2. Read the directions carefully. 3. Read the example. 4. Use the tool to show your arrows and work on the number line. Use red and blue to show the difference between steps 1 and 2 like in the example. 5. Use the tool to fill in the missing numbers in the number models. 6. Be sure to complete both problems carefully and thoughtfully. 7. 8. Add to your math folder.