Start here
One 2-minute pass fills in the grids below
Answer multiplication facts as fast as you can. Every cell you see under this card turns green, amber or red based on how that pass goes — and from then on the app only drills what slowed you down.
- About 2 minutes — daily practice is 5–10
- Press ? for “I don’t know” — guessing is never required
- Nothing to sign up for; progress stays in this browser
Your practice grids
On today’s plan
Today’s allowance of new material — capped at 3 a day so it actually sticks.
Multiplication fluency
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Squares 1–25
Number equivalents
| fraction | decimal | percent |
|---|---|---|
| fraction | decimal | percent |
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Divisibility rules
Powers of 2
Primes to 50
Factoring / simplifying
Pythagorean triples
Core four
3-4-5
5-12-13
8-15-17
7-24-25
Rarer
9-40-41
Scaled copies
6-8-10
9-12-15
10-24-26
Two squares per triangle: left is finding the hypotenuse, right is finding the missing leg.
Cubes 1–10
Nothing here yet. Cells turn green when you recall something correctly, orange or red when you miss or hesitate. Practice and the grid fills in.