# 7-12 Student Interactives

Mathematics

Number and Operations    Algebra    Geometry   Data / Probability   Money Games

Number and Operations
• Arithmetic Four
Connect four game pieces in a row before your opponent does.
• Diffy
Solve an interesting puzzle involving the differences of given numbers.
• Expression Exchange
Build coin expressions, then exchange them for variable expressions.
• Free Rice - Basic Math (Pre-Algebra)
Select the correct answer and earn rice for the United Nations World Food Program.
• Graphing Slope-Intercept
Explore slope-intercept form of a line. Connect the slope and y-intercept to the equation of the line.
• Maze Game
Can you successfully direct a robot through a mine field?
Predict the bin where a single ball might fall and then repeat trials of 100 balls and compare the outcomes.
• Unit Rates
Discover the unit rate while shopping for fruits, vegetables, and candy. Construct a double number line and look for patterns.
Algebra
• Algebra Four
Solve an algebraic equation and you are on your way to Connect Four!
• Balance Scales
Solve simple linear equations using a balance beam.
Geometry
• Angles
Practice your knowledge of acute, obtuse and alternate angles.
• Graphing Lines
Investigate the relationships between linear equations, slope, and graphs of lines.
• Isometric Drawing Tool
Create dynamic 2-D or 3-D drawings on isometric dot paper.
• Perimeter Explorer
Calculate the perimeter of a random shape.
Data / Probability
• Coin Tossing
Explore probability concepts by simulating repeated coin tosses.
• Create a Graph
Create a graph or view the examples.
• Fish Shop
What probability does Pythagoras have to catch a red fish?
• Least-Squares Regression
Create your own scatter plot or use real-world data and try to fit a line to it!
Money Games