Arithmetic & Number Sense
Where everyday arithmetic does the heavy lifting
4 live exhibits. Each one already works. Change a number and see what happens.
Open as board Play with these together. Solving one grows related exhibits.
Arithmetic & Number SenseRoad trip math: miles, liters, and dollars
Convert once and the trip adds up: how far, how much fuel, how much money.
Ratios & ProportionsUnit price: is the big size really the better deal?
Divide price by size and the shelf tags stop lying. Bigger isn’t always cheaper.
StatisticsMean vs. median: why one big paycheck skews the average
Add one huge salary and the average jumps. The median, the middle value, barely moves.
Arithmetic & Number SenseE6B weight and balance: where the center of gravity lands
The CG is a weighted average. Load people, bags, and fuel, and watch the dot move in the envelope.