Leaderboard
Top finish!
You placed with a time of .
Solve each sum and break the record.
Select numbers that match each target sum. Ten targets, one clock, one leaderboard.
Speed & accuracy
Correct:
Wrong:
Time
Choose your base number.
Get ready
+ = ?
Select the correct sum from the grid.
Leaderboard
No scores yet. Be the first to set one.
Jump to your rank #
Great job!
Base time
Penalty (3s x wrong)
Final score
Pro tip