WALT-Solve addition and subtraction problems by splitting (partition) one number into smaller numbers
I can split one number into parts.
I can count forward and backward in tens from any number.
2)68-40=28
3)147+50=197
4)177-60=117
5)189 + 70 =259
6)212-40=172
7)266+60=326
8)544-80=464
9)671+60=731
10)748-90=658
