This file includes all of the mental math strategy units in the Complete Addition Collection and the Complete Subtraction Collection.
The units in the addition collection include:
- Counting On
- Doubles Plus One
- Making Ten
- Making Multiples of Ten
- Front End Addition
The units in the subtraction collection include:
- Counting Up and Counting Back
- Thinking Addition
- Using Doubles and Building on Doubles
- Using Ten
- Expanding the Subtrahend
For full details, please see the free preview.
Thanks for looking!
~ Shelley Gray