Once upon a time there was a rabbit who had ten bunnies. She had taken three carrots from the garden but she needed ten. In fact, she always needed ten. How many more carrots did she need in order to feed her hungry bunnies? Your first inclination may be to subtract 10 from 3, correct? …
Subtraction
Meet the Colored Bead Stair
The colored bead stair is a quintessential Montessori math material because it has SO many different mathematical benefits. The youngest child in primary all the way through upper elementary learns one-to-one correspondence, connecting quantity to symbol, square roots and cubes, basic operations, and complex algebraic equations. I often use this material for middle and high …