
Algebra Balance Scales – Solve simple linear equations using a balance beam representation. 

Algebra Balance Scales  Negatives – Solve simple linear equations using a balance beam representation. 

Algebra Tiles – Visualize multiplying and factoring algebraic expressions using tiles. 

Base Blocks – Illustrate addition and subtraction in a variety of bases. 

Block Patterns – Analyze sequences of figures using pictures, tables, plots, and graphs. 

Coin Problem – Use deduction to find the counterfeit coin. 

Fifteen Puzzle – Solve this virtual version of the classical fifteen puzzle by arranging its tiles. 

Function Machine – Explore the concept of functions by putting values into this machine and observing its output. 

Function Transformations – Explore how simple transformations affect the graph of a function. 

Grapher – A tool for graphing and exploring functions. 

Line Plotter – Practice drawing lines through a given point having a specified slope. 

Pattern Blocks – Use six common geometric shapes to build patterns and solve problems. 

Peg Puzzle – Win this game by moving the pegs on the left past the pegs on the right. 

Pentominoes – Use the 12 pentomino combinations to solve problems. 

Point Plotter – Practice plotting ordered pairs on a graph. 

Polyominoes – Build and compare characteristics of biominoes, triominoes, quadrominoes, etc. 

Stick or Switch – Investigate probabilities of sticking with a decision, or switching. 

Towers of Hanoi – Solve the tower problem and test your theory by varying the number of disks. 