Ep 139: Factor to Add and Subtract!?
Update: 2023-02-14
Description
Happy Valentines Day! We love math, and we love you, our listeners! In this episode Pam and Kim discuss a less familiar addition and subtraction strategy that they're coming to love more and more.
Talking Points:
- A Problem String to build relationships in order to use common factors in addition and subtraction problems
- Why is it not a main strategy?
- Where and why teach it anyway?
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