STEM
Things you can move, build and break — and see how they work.
Math
- Times Tables Practice that asks the ones you miss more often.
- Telling the Time Move the hands yourself, and learn why 3:45 is “quarter to four.”
- Fraction Wall Slide the bars until you can see which fraction is bigger.
- Show Your Work Long multiplication and division, one step at a time.
- Infinity No biggest number, a full hotel with room to spare, and why halfway forever still gets there.
- Number Knockout Roll three dice and use all three numbers. (It lives in Games.)
Science
Code
AI — no magic in here
- Teach the Machine Start here. Show it creatures and watch it find the pattern — and copy your mistakes.
- The Next-Word Machine How a chatbot writes: one word at a time, guessing what comes next.
- How a Machine Reads Watch a sentence get chopped into chunks.
- See One Neuron Three numbers and a line. Move the sliders, then let it learn.
- Bias Detective Show it only red apples and it decides a tomato is an apple.