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Phone Plan Showdown
Compare two phone plans as a salesperson and a skeptical customer; equations prove which is cheaper and when.
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Grade 7 · Math · Tycoon
Tax and Tip
Run a diner register: tips, tax and discounts. Spot the constant of proportionality in every receipt.
Grade 7 · Math · SimulatorHot Air and Sandbags
Add hot air (positives) and sandbags (negatives) to a balloon; removing a sandbag goes up. Signed rules...
Grade 7 · Math · Card GameExpression Match
Memory-style card game: match expressions that are equivalent but written differently.