Virtual Manipulatives

Mathigon Polypad

Explore Geometry topics like symmetry, design, shapes, and angles, with polygons, tangrams, kolam tiles, protractors, etc 

Explore Number topics like factors/multiples, place values, multiplication, number systems with prime factor circles (like a virtual Prime Climb!), number tiles, adjustable number lines, exploding dots, multiplication grids, etc. 

Explore Fractions topics like equivalent fractions and with fraction bars and fraction circles

Explore Algebra topics like equality, isolating the variable, combining like terms, multiplying polynomials, with area models, algebra tiles and balance scales.

Use the Randomizer to spin, roll, and flip virtual uniform spinners (divided into equally-sized sections), customizable spinners, dice, and "coins" to explore Probability topics.