On the bench · not built yet
Box Plot Builder
Real sports and weather data; drag points and watch mean, median and box plot react. Outliers get dramatic.
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Grade 6 · Math · Lab
Smoothie Lab
Mix fruit in ratios and taste-test (the tool reacts); find recipes that taste the same at bigger sizes.
Grade 6 · Math · SandboxHow Many Fit?
Drag fraction bars into a container to see how many 3/4s fit in 2 1/2. Division as measuring.
Grade 6 · Math · ArcadeFactor Forge
Smash numbers into prime factors; matching factors between two numbers forge their GCF and LCM.