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 ...

Check the Show Line of Best Fit box to see a linear approximation of this data. The correlation coefficient (r) indicates how well the line approximates the data.If |r| = 1, the line is a perfect fit ...

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

General Tools . Select allows you to select cows and drag them. Once a cow is selected, it will turn purple. Group corrals selected cows into groups of 5 or 10, depending on the activity.; Break Group ...

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.

Quilters and other designers sometimes start by producing square patches with a pattern on them. These square patches are then repeated and connected to produce a larger pattern. Create your own patch ...

Features . Click the and buttons to change the number of sectors. Adjust the sliders to change the size of the sectors. Change the name of each sector by clicking on the text, under the column, "Color ...

Develop the area formula for a triangle. Members-Only Access. Log in above or click Join Now to enjoy these exclusive benefits: ...

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 ...

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 ...

Modes. Choose Length, Area, Region, or Set on the bottom right to show different representations of the fractions. Set also lets you choose from four different objects. How to Use. Adjust the value of ...