Pre-K-2, 3-5, 6-8, 9-12
Use this tool to create a spinner to examine experimental and theoretical outcomes.
6-8, 9-12
Use tiles to represent variables and constants, learn how to represent
and solve algebra problem. Solve equations, substitute in variable
expressions, and expand and factor.
6-8
This applet shows the relationship between the area of a parallelogram and the lengths of its sides.
6-8
Investigate how changes in the base and height of a trapezoid affect its area.
6-8
Use this tool to determine how the length of the base and the height of a
triangle, parallelogram, or trapezoid can be used to determine its area.
3-5, 6-8
This applet allows you to examine various two-dimensional figures to determine which ones can be folded into a cube.
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).
Pre-K-2, 3-5, 6-8, 9-12
Need a pentagonal pyramid that's six inches tall? Or a number line that goes from ‑18 to 32 by 5's? You can create all those things and more! Place the images you want, then export it as a PDF or as a JPG image.
3-5, 6-8
Exercise your factoring ability against a human or the computer in this Calculation Nation game.
3-5, 6-8
Dividing Numbers into Two Factors and Building Arrays to Represent Each Factorization
