PreK – Grade 2 
Adjustable Spinner
PreK – Grade 12
Create a spinner to examine experimental and theoretical outcomes. 
Bobbie Bear
Bobbie Bear – Spanish
PreK – Grade 5
Use counting strategies to make outfits with different colored shirts and pants. 
Coin Box
PreK – Grade 5
Manipulate coins using an array representation. 
Concentration
PreK – Grade 5
Play a matching game with different representations of equivalent items. 
Creating, Describing, and Analyzing Patterns
PreK – Grade 2
Build patterns or recreate one from given square arrays. 
Dynamic Paper
PreK – Grade 12
Create customized activity sheets for your classroom.

Five Frame
PreK – Grade 2
Practice counting and adding by 5's.

Geometric Solids
PreK – Grade 12
Manipulate various geometric solids and investigate their properties. 
Grouping and Grazing
PreK – Grade 2
Count, add, and subtract by grouping cows.

Okta's Rescue
PreK – Grade 2
Count and subitize by playing a game. 
Patch Tool
PreK – Grade 5
Design a pattern using geometric shapes.

Shape Tool
PreK – Grade 8
Draw, color, paste, slice, rotate, reflect, expand, and contract various shapes.

Ten Frame
PreK – Grade 2
Practice counting and adding by 10's. 
Grades 3 – 5 
Adjustable Spinner
PreK – Grade 12
Create a spinner to examine experimental and theoretical outcomes. 
Bobbie Bear
Bobbie Bear – Spanish
PreK – Grade 5
Use counting strategies to make outfits with different colored shirts and pants. 
Coin Box
PreK – Grade 5
Manipulate coins using an array representation. 
Concentration
PreK – Grade 5
Play a matching game with different representations of equivalent items. 
Cube Nets
Grades 3–8
Examine various twodimensional figures to determine which ones can be folded into a cube.

Cubes
Grades 3–5
Determine the volume of a box by filling it with cubes, rows of cubes, or layers of cubes. Also, determine the surface area by using the box's net.

Dynamic Paper
PreK – Grade 12
Create customized activity sheets for your classroom.

Factor Game
Grades 3–8
Exercise your factoring ability against a human or the computer.

Fraction Game
Grades 3–8
Explore relationships among fractions while playing an interactive game.

Geometric Solids
PreK – Grade 12
Manipulate various geometric solids and investigate their properties. 
Isometric Drawing Tool
Grades 3–12
Create dynamic drawings on an isometric dot grid.

Pan Balance – Expressions
Grades 3–12
Investigate the concept of equivalence by "weighing" numeric and algebraic expressions. 
Pan Balance – Numbers
Grades 3–8
Find equivalent numerical expressions using a balance scale. 
Pan Balance – Shapes
Grades 3–8
Explore relationships among the weights of various objects by placing them on either side of a balance. 
Patch Tool
PreK – Grade 5
Design a pattern using geometric shapes.

Product Game
Grades 3–8
Exercise factor and multiples skills. 
Shape Tool
PreK – Grade 8
Draw, color, paste, slice, rotate, reflect, expand, and contract various shapes.

Tessellation Creator
Grades 3–8
Create patterns to cover the screen using regular polygons.

Grades 6 – 8 
Adjustable Spinner
PreK – Grade 12
Create a spinner to examine experimental and theoretical outcomes. 
Algebra Tiles
Grades 6–12
Manipulate algebra tiles to solve equations, substitute in expressions, and expand and factor.

Cube Nets
Grades 3–8
Examine various twodimensional figures to determine which ones can be folded into a cube.

Dynamic Paper
PreK – Grade 12
Create customized activity sheets for your classroom.

Fraction Models
Grades 6–8
Explore several different representations for fractions. 
Factor Game
Grades 3–8
Exercise your factoring ability against a human or the computer.

Factorize
Grades 6–8
Divide numbers into two factors and build arrays to represent each factorization. 
Fraction Game
Grades 3–8
Explore relationships among fractions while playing an interactive game.

Geometric Solids
PreK – Grade 12
Manipulate various geometric solids and investigate their properties. 
Isometric Drawing Tool
Grades 3–12
Create dynamic drawings on an isometric dot grid.

Line of Best Fit
Grades 6–12
Plot a set of data and determine a line of best fit.

Pan Balance – Expressions
Grades 3–12
Investigate the concept of equivalence by "weighing" numeric and algebraic expressions. 
Pan Balance – Numbers
Grades 3–8
Find equivalent numerical expressions using a balance scale. 
Pan Balance – Shapes
Grades 3–8
Explore relationships among the weights of various objects by placing them on either side of a balance. 
Product Game
Grades 3–8
Exercise factor and multiples skills. 
Shape Tool
PreK – Grade 8
Draw, color, paste, slice, rotate, reflect, expand, and contract various shapes.

Tessellation Creator
Grades 3–8
Create patterns to cover the screen using regular polygons.

Grades 9 – 12 
Adjustable Spinner
PreK – Grade 12
Create a spinner to examine experimental and theoretical outcomes. 
Algebra Tiles
Grades 6–12
Manipulate algebra tiles to solve equations, substitute in expressions, and expand and factor.

Dynamic Paper
PreK – Grade 12
Create customized activity sheets for your classroom.

Geometric Solids
PreK – Grade 12
Manipulate various geometric solids and investigate their properties. 
Isometric Drawing Tool
Grades 3–12
Create dynamic drawings on an isometric dot grid.

Line of Best Fit
Grades 6–12
Plot a set of data and determine a line of best fit.

Pan Balance – Expressions
Grades 3–12
Investigate the concept of equivalence by "weighing" numeric and algebraic expressions. 
Trigonometric Graphing
Grades 9–12
Explore the amplitude, period, and phase shift of various trigonometric functions.
