3-5, 6-8
Use this tool to build up to algebraic thinking by exploring how to balance shapes of unknown weight.
3-5, 6-8
Use this applet to create patterns to cover the screen using regular polygons.
3-5, 6-8
Use this tool to strengthen understanding and computation of numerical expressions and equality using a balance scale.
Pre-K-2, 3-5
Become confident in facts up to 12 x 12 using visual models that stress the conceptual
aspects of multiplication.
Pre-K-2, 3-5
Learn how to count, collect, exchange, and make change for coins by manipulating coins using an array representation.
3-5, 6-8
This strategy game requires you to select cards with a specified sum before your opponent (also available on iOS and Android).
