Bobbie Bear Grade: PreK to 2nd, 3rd to 5th Bobbie Bear is planning a vacation and wants to know how many outfits can be made using different colored shirts and pants. Click here to play Bobbie Bear in ...

Develop a sense of hundredths through the use of models.

Line of Best Fit Grade: 6th to 8th, High School 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. This ...

Use baseball cards to highlight the connections between various mathematical concepts.

Grouping and Grazing Grade: PreK to 2nd Help the alien spaceship move cows into corrals by counting, adding, and subtracting. This activity helps children learn grouping, tally marks, and place value.

Times Table Grade: PreK to 2nd, 3rd to 5th This tool allows you to practice multiplying single-digit numbers. This interactive is optimized for your desktop and tablet.

Adjustable Spinner Grade: PreK to 2nd, 3rd to 5th, 6th to 8th, High School Change the number of sectors and increase or decrease their size to create any type of spinner. Then, conduct a probability ...

Tessellation Creator Grade: 3rd to 5th, 6th to 8th 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 ...

Tessellation Creator Grade: 3rd to 5th, 6th to 8th 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 ...

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 ...

Isometric Drawing Tool Grade: 3rd to 5th, 6th to 8th, High School Use this interactive tool to create dynamic drawings on isometric dot paper. Draw figures using edges, faces, or cubes. You can shift, ...

Deep Sea Duel Grade: 3rd to 5th, 6th to 8th 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 ...