SPSpeedPrep
A math speed game

The fastest next step.

Every board asks one question. Spot the shortcut, snap the tiles, beat the clock. A few minutes of SpeedPrep instead of scrolling, and basic math gets fast.

Coming soon to iPhone and AndroidSee all 84 shortcuts →
Multiply & Divide0:07.2

How a step is scored

There is no multiple choice. You make the move on the board, and the game tells you how fast your step was.

FastestYou used the shortcut that fits. The tiles snap and your combo climbs.No time lost
Also fastestTwo steps were equally good. Full credit, and the game sketches the other one.No time lost
SlowerRight answer, longer road. The board replays the faster method and names it.+1 second
WrongThe tiles bounce and the right path plays. Each miss costs a little more.+2 s, then +1 more each time

Pick your topics like a Sudoku grid.

Eight topics of basic math. Play one, mix several, or play them all. Tests never run longer than five minutes, and you won't see the same question twice for days.

Two ways to play: Random throws single steps from anywhere in a problem. In-line walks whole problems step by step, easiest to hardest.

84 shortcuts teachers use around the world.

Every method in the game is taught in classrooms and on YouTube. We checked each one has real video lessons behind it. No made-up tricks.

JapanChinaIndiaSingaporeUnited StatesUnited KingdomGermanyNetherlands
Browse the methods
47 + 38 → 45 + 40Make a ten
99 × 7 → (100 − 1) × 7Near-round multiplier
97 × 96 → 93 × 100 + 3 × 4Near-base multiplication
16% of 25 → 25% of 16Swap the percent
65² → 6 × 7 × 100 + 25Square ending in 5
Otter
Falcon
Lynx
Heron

Race up to three friends. No internet needed.

Phones nearby connect over Bluetooth, iPhone and Android together. Everyone gets the same test and watches each other's progress live. Plus a Daily Challenge with a leaderboard, where everyone in the world plays the same board.

Made for kids.

No ads. No accounts.Nothing to sign up for and nothing trying to sell to your kid.
Anonymous by design.Leaderboard names are picked from a list, never typed. We don't collect names, emails or locations.
Works offline.Every question is on the phone. The internet is only for the leaderboard and question stats.