H T U H T U H T U H T U
7 4 6 4 5 3 5 7 4 3 8 5
+ 1 3 7 + 2 3 9 + 2 7 1 + 4 7 3
H T U H T U H T U H T U
5 2 9 7 8 1 6 0 4 4 8 3
+ 1 4 7 + 1 8 2 + 2 6 7 + 1 1 5
Challenge
Count in 3s up to 99. Can you count back in 3s from 99?
Start at 2 and keep adding 3. What is you first number in the hundreds?
2, 5, 8, 11 .........