Break It Down Addition & Subtraction Strategies Reference Book

Calling all parents, teachers, and students! Do you struggle with homework every night? Do you have math anxiety? Does the "new math" drive you bonkers? Do you find yourself asking, "Why can't we just do it the old way?" This essential reference has it all for you. For every strategy, we'll give you the what, the why, and the how with: - step-by-step directions for the most common addition and subtraction strategies - clear visuals - behind-the-scenes info on the math behind the method