Complete the math wheel. Tap to start the activity then click on your name to add to your journal. 1. Tap to write a multiple of ten in the middle circle. (10, 20, 30, 40, 50, 60, 70, 80, 90) 2. Add the digits in the second circle to your middle number. 3. Tap to write the answer in the outer circle. 4. Tap the to explain how you solved each problem.