using numbers up to 100
by Josie Woolever
1. adding with numbers to get 1000
1.1. give students examples of how to do this
1.2. give students an explanation of how to do this by providing a walk through
2. subtracting with numbers to get from zero
2.1. give students examples of this
2.2. give students an explanation of how to do this and provide them a walk through