1. to add your response and tap the to record your thinking as you are responding on screen. 2. In the first column, use the tool to write the number in the box 3. Follow the labels for 10 more or 10 less. 4. Use the to add a base 10 block shape. 5. Use the tool to cross out any unneeded base 10 block shapes. 6. Be sure to use the tool to write the number for 10 more or 10 less in the box. 7. Hit the two times to turn your work in.