Most math sites explain things the way a textbook would — which is part of why students struggled with it in the first place. We wanted the opposite.
If English isn't your first language — or if the teacher explains it once and moves on — the hardest part of math isn't the math. It's the wall of vocabulary between you and the idea.
By the time you've figured out what "factor" or "coefficient" means, the class is on the next step. You copy down the example and hope it clicks later. Sometimes it doesn't.
MathKong started as a notebook a student kept for herself — and then a small deck of hand-drawn cards her younger cousin kept stealing. The site is just those two things, put together for whoever else might need them.
Every lesson, every quiz, every card design passes these three checks before it leaves the desk.
If a sentence sounds like a textbook, rewrite it. The goal is always: could a friend say this out loud at a lunch table?
Every concept gets at least one example with the logic written out. No "left as an exercise for the reader."
The cards come with no rules. Kids invent the game. That's where the real math happens, not on the worksheet.
Right now, Grade 9 has all 10 topics with lessons and quizzes. The rough plan for the year: