## Search Results

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### Fraction Models

3-5, 6-8

Explore different representations for fractions including improper
fractions, mixed numbers, decimals, and percentages. Additionally, there
are length, area, region, and set models.### Function Matching

9-12

See how well you understand function expressions by trying to match your
function graph to a generated graph. Choose from several function types
or select random and let the computer choose.### Geometric Solids

Pre-K-2, 3-5, 6-8, 9-12

This tool allows you to manipulate various geometric solids and investigate their properties.### Grouping and Grazing

Pre-K-2

Help the alien spaceship move cows into corrals by counting, adding, and
subtracting. This activity helps children learn grouping, tally marks,
and place value.### Okta's Rescue

Pre-K-2

Practice counting and subitizing by playing this game (also available on iOS and Android).

### Pan Balance – Expressions

3-5, 6-8, 9-12

Using this interactive tool, you can practice arithmetic and algebraic skills, and investigate the important concept of equivalence.### Pan Balance – Numbers

3-5, 6-8

Use this tool to strengthen understanding and computation of numerical expressions and equality using a balance scale.### Pan Balance – Shapes

3-5, 6-8

Use this tool to build up to algebraic thinking by exploring how to balance shapes of unknown weight.### Random Drawing Tool - Individual Trials

9-12

Explore the relationship between theoretical and experimental probabilities.### Tessellation Creator

3-5, 6-8

Use this applet to create patterns to cover the screen using regular polygons.