“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help their ...

Subtraction Game - Subtraction Strategies Bump is a two players race game. Players race around the outside track answering subtraction algorithms as they go. On giving the correct answer the students ...

Subtraction Strategy Game - One Step is a series of seven game boards designed to encourage students to practice efficient strategies for solving subtraction algorithms. As a bonus, the game requires ...

An algorithm in C for calculating linear acceleration necessary to run a step motor smoothly that requires only addition and subtraction. This code accompanies the article “Linear motor control ...