Using place value to strategies to solve problems and looking at addends. Using place value to strategies to solve problems and looking at addends.

Relating addition and subtraction and playing the game BUMP; counting down. Relating addition and subtraction and playing the game BUMP; Working with numbers, starting with a number and counting down ...

This post was updated to clarify benefits of the program to Oakland Unified students. A growing number of students in Oakland Unified are learning math by playing a computer game that asks students to ...