Mental Subtraction 1-6 Home Activities

OVERVIEW & PURPOSE Week 4 of the 1st Grade CountFast program focuses on using repetition and quick calculation to create long-term memory of simple subtraction equations. This module includes equations to solve each day, with an emphasis on recording how long it...

Commutative Property Addition Lesson Plan

OVERVIEW & PURPOSE Week 7 of the 2nd Grade CountFast program reviews using the Commutative Property of Addition to quickly solve equations with more than two numbers. This module includes equations to solve each day, with an emphasis on improving fluency and speed...