PsySoEd Dynamics LLC

JumpingJoey's NumberLine Arithmetic Supplement turns the NumberLine approach into an abacus-like system allowing addition and subtraction to the hundred thousands! An informative supplement to be used with the Arithmetic PlaceMat allowing for even more comprehensive math opportunities. Teaches how to use JumpingJoey's NumberLine approach for Addition with Greater Numbers, Column Addition, and Subtraction with Greater Numbers. Comes with colorful place value pieces that help students stay organized and on-track as they work through problems. All materials store in a durable soft-plastic case that lays flat for easy storage.