It looks different, but it still has two parts ... Just like with addition, we can use a part-whole model to help partition larger numbers to make them easier to deal with in subtraction problems.

Using the numbers 2, 0, 2 and 5 exactly once each, and the operations of addition, subtraction ... join digits into two-digit numbers before calculation and use the factorial operator (n!

It looks different, but it still has two parts ... Just like with addition, we can use a part-whole model to help partition larger numbers to make them easier to deal with in subtraction problems.