N
Nielsen · Mathematics
Interactive math, one idea at a time.
A small set of activities to explore, predict, and build the ideas we're working on in class. Pick one and dig in — each is self-contained and works on your phone or Chromebook.
Activities
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Balance the Equation
Solve for x by doing the same thing to both sides — one careful step at a time, with a balance you can watch and a history you can rewind.
Solving equations
Open
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🟥 Growing Tile Patterns
Figure out the rule behind a growing pattern of tiles, then write it as an explicit and a recursive equation. The colors are a hint.
Quadratic patterns
Open
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📈 Guess the Function
Is it linear, quadratic, or exponential? Read the table, graph, tiles, and equations — hide the ones you don't need — and make the call.
Function families
Open
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⚗️ Filling Flasks
Fill flasks of different shapes at the same rate and watch the height-vs-time graph draw itself. The curve is the shape of the flask.
Graphs & rates
Open
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