Subtract a digit from multiple of 10 (bar model)
Subtract a single digit from a multiple of 10 with a bar model to help.
Subtract a digit from multiple of 10 (bar model)
Subtract a single digit from a multiple of 10 with a bar model to help.

Subtract a single digit from a multiple of 10 with a bar model to help.
Subtract a single digit from a multiple of 10 with a bar model to help.