Mental Math — arithmetic test
Addition and subtraction with numbers up to 12: eight sums in 65 seconds. Type each answer on the number pad, then confirm.
Daily challenge: Logic Sequences- 8sums
- 65 soverall timer
- + −two operations
- 0accounts needed
How the demo goes
Eight sums, 65 seconds.
- 1
Read the sum
Additions and subtractions with numbers from 1 to 12. The answer is never negative.
- 2
Type the answer
On the number pad, then confirm. On a keyboard: digits, Backspace to delete and Enter to confirm.
- 3
Beat the clock
One 65-second timer for everything. Wrong answer? The right one shows briefly, with “So close!” if you were one off.
Score guide
How to read your score.
Correct answers out of eight, and the time it took you.
- 0–2 Try again Find your rhythm, it comes quickly.
- 3–4 Good math A nice balance of speed and accuracy.
- 5–6 Super fast The sums flow without a hitch.
- 7–8 Human calculator Almost all correct, and fast.
- Difficulty that adapts to your level
- Combos, boosters and records
- Stats and records saved
- Streaks, badges and leaderboards