Trace and find the number 21. 1. Tap the 2. Tap the and pick a color. 3. Tap on the to start 4. Trace the number 21 at least 3 times. Say the name of the number each time you rainbow write it. 5. Circle any 21's you see. Say the number each time you find it. 6. Tap on the when you finish 7. Tap to submit your work.