Need a pentagonal pyramid that's six inches tall? Or a number line that goes from ‑18 to 32 by 5's? Or a set of pattern blocks where all shapes have one-inch sides? You can create all those things and ...

Okta challenges you to a duel! That crazy octopus wants to play you in a game where the first person to choose cards with a specified sum wins. You can choose how many cards, what types of numbers, ...

Explore the amplitude, period, and phase shift by examining the graphs of various trigonometric functions. Students can select values to use within the function to explore the resulting changes in the ...

This tool allows you to learn about various geometric solids and their properties. You can manipulate and color each shape to explore the number of faces, edges, and vertices, and you can also use ...

A tessellation is a repeating pattern of polygons that covers a plane with no gaps or overlaps. What kind of tessellations can you make out of regular polygons? What shapes tessellate? If shapes can ...

Thinking about numbers using frames of 10 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This ...

The Product Game is a fun, interactive game that exercises your skill with factors and multiples. This Product Game Investigation was adapted with permission and guidance from Prime Time: Factors and ...

This activity allows the user to enter a set of data, plot the data on a coordinate grid, and determine the equation for a line of best fit.

A tessellation is a repeating pattern of polygons that covers a plane with no gaps or overlaps. What kind of tessellations can you make out of regular polygons? What shapes tessellate? If shapes can ...

Thinking about numbers using frames of 5 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This applet ...