About Arithmetic
Remember your multiplication tables? Practice your multiplication, division, and factoring skills with this exciting game. No calculators allowed!
How to play Arithmetic
Everything is hands-on: drag, click and experiment — the simulation reacts instantly. Remember your multiplication tables?
Questions & answers
- What is Arithmetic?
- Arithmetic is a free interactive simulation from PhET Interactive Simulations (University of Colorado Boulder) that you can play right in your browser on crumble.lol — no downloads and no sign-up. Remember your multiplication tables? Practice your multiplication, division, and factoring skills with this exciting game.
- What can kids learn from Arithmetic?
- It helps kids explore: explain how multiplication tables help understand multiplication, factoring, and division. use an array model to understand multiplication, factoring, and division. increase accuracy in multiplying, factoring and dividing. develop multiple strategies for arithmetic problems.
- What age is Arithmetic good for?
- It is designed for elementary school (roughly ages 5–10) up to middle school (roughly ages 10–14), and curious kids outside that range can absolutely enjoy poking around it too.
- Is Arithmetic free to play?
- Yes — Arithmetic is completely free on crumble.lol and runs fully in your browser on computers and tablets.