Subtract multiples of 10 (bar model)
Subtract multiples of 10 up to 100 with a bar model to help.
Subtract multiples of 10 (bar model)
Subtract multiples of 10 up to 100 with a bar model to help.
Subtract multiples of 10 up to 100 with a bar model to help.
Subtract multiples of 10 up to 100 with a bar model to help.