Card Maker — Grade 4 Mathematics

The three rules

○Every fact has a source — where you learned it. No source, no shelf.
○Everything connects — pick at least one card yours goes with.
○Say what it is, and give a real example.

What is it called?

The name of the thing you're explaining.

Say it in one line.

If someone only read one sentence, what would you want it to be?

Now explain it properly.

A few sentences, the way you'd tell a friend who's stuck.

Give an example.

A real one, with actual numbers or things. The example is what makes it stick.

Where did you learn this?

A book, a website, your teacher, a class. This is the rule that matters most — a card without a source doesn't get shelved. If you're not sure, go and find out; that part is the learning.

Which part of the world?

What does it connect to?

Pick the cards yours belongs with. You can only choose cards that already exist — that's how a connection can never point at nothing. Tap to choose.

Here's your card.

Copy it, or save the file, and give it to a grown-up to add.

For the grown-up

Add the card to the terms array in qukaizen-dac/data/worlds/math-grade4/verified/….json, then run:

node --experimental-strip-types scripts/assemble-world.mts --world=math-grade4

The gate runs there too — it's the same three rules, checked again. If it complains, the message says which card and which rule, and that's the worklist. Then re-copy terms.json into the site and re-run npm run check.

One gotcha, learned the hard way: the assembler merges into the existing terms.json rather than rebuilding it from the shards alone. So a card that has already been compiled in will survive even after you delete it from verified/. To take a card back out, remove it from terms.json too — or restore that file from git and re-assemble.

Make a card