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Number and Operations 
Algebra Geometry Data / Probability Money Games Required Plug-ins
Number and Operations
Maze Game
Can you successfully direct a robot through a mine field?
Ratios in the Kitchen
Recipes often require you to use your knowledge about ratios.
Arithmetic Four
Connect four game pieces in a row before your opponent does.
Zeros and Ones
Practice ordering large numbers.
Equivalent Fractions
Drag the number to the matching shaded area.
Factor Game
Exercise your factoring ability.
Magic Square
Fill in all the squares with the numbers so that the sum of all row, columns, and diagonals is the same.
Circle 99
Make every circle add up to 99.
Diffy
Solve an interesting puzzle involving the differences of given numbers.
Calculation Nation
Challenge others. Challenge yourself.
Free Rice - Basic Math (Pre-Algebra)
Select the correct answer and earn rice for the United Nations World Food Program.
Algebra
Lure of the Labyrinth
Sign up, customize your avatar and then begin solving the problems to liberate the pets that are missing in the Tasti Pet Factory.
Algebra Four
Solve an algebraic equation and you are on your way to Connect Four!-
Number Line Activities
Complete the six number line activities. 
Mat Board
Determine the values of the mat.
Adding Integers
Drag the right tiles onto the mat board to solve the addition problem.
Pan Balance
Find equivalent numerical expressions using a balance scale.
Subtracting Integers
Drag the right tiles onto the mat board to solve the subtraction problem.
Sequences
Work out the 4th 5th 10th 20th and nth terms in a number sequence.
Balance Scales
Solve simple linear equations using a balance beam.
Algebra Crossnumber
Solve this crossnumber by finding out what values x and y represent.
Geometry
Isometric Drawing Tool
Create dynamic 2-D or 3-D drawings on isometric dot paper.
Angles
Practice your knowledge of acute, obtuse and alternate angles.
Cutting Corners
Divide a triangle, square, or trapezoid into smaller, less common shapes.
Perimeter Explorer
Calculate the perimeter of a random shape.
3D Boxes
Calculate how many cubes you need to make the different 3D shapes shown.
Angle Estimator
Decide which angle is the same as the one drawn by the computer.
Data / Probability
State Data Map
Choose a Data Set to view various state data.
Fish Tank
What probability does Pythagoras have to catch a red fish?
Coin Tossing
Explore probability concepts by simulating repeated coin tosses.
Train Race
Help Pythagoras and Hypatia make their connecting trains.
Whammy Awards
See how using different voting schemes can result in contradictory outcomes.
Create a Graph
Create a graph or view the examples.
Money Games
Play a Virtual Market
It's time to play the stock market.
Road Trip to Savings
Meet the challenges of 4 weeks on the road as you steer your way to financial stability.
Expense Station
Select a role to play and make some tough financial decisions.-
The Great Vehicle Hunt
Negotiate the curves and a car may be yours. 
Budget Odyssey
Drive a minibus to Budget Balancing Bliss.
Financial Football
Quickly answer the finance-themed questions to score touchdowns.
More Money
Credit Safari
Help Max Adventure survive this credit card safari.
Charge!
Go shopping and discover the real cost of credit.
Keeping the Books
Find out why you spend money the way you do.
Escape from Knab
Travelers stranded in the Cyberspace world of Knab must earn money and invest it wisely to get back home.
Countdown to Retirement
Will you retire in luxury - or work 'til the day you die?
Invest Quest
Get a glimpse of your future as your investing intelligence is put to the test.
