Count forwards and backwards by twos, threes and fives from any starting point

1. 2 less, 2 more than 38
2. 2 less, 2 more than 21
3. 2 less, 2 more than 47
4. 2 less, 2 more than 63
5. 2 less, 2 more than 74
6. 2 less, 2 more than 30
7. 5 less, 5 more than 80
8. 5 less, 5 more than 30
9. Balloons: Total of 15 and 6
10. Boundary Bounce: Bounce in 5s from 15 to 0
11. Boundary Bounce: Bounce in 2s from 14 to 0