DuckMath

Quick Sum Sprint: Mental Math Game

A 60-second mental math sprint with addition and subtraction. Three levels, streaks and a saved best score. Free, no sign-up.

Time 60Solved 0Streak 0Best 0

Press Start to play

Solve as many as you can in 60 seconds. Hard level adds times tables.

How to play Quick Sum Sprint

  1. Pick Easy (numbers up to 20), Medium (up to 100) or Hard (up to 1000, plus some times tables).
  2. Press Start. A question appears. Type the answer and press Enter.
  3. Correct answers add to your score and build a streak. Wrong answers show the correct result and reset the streak.
  4. When 60 seconds are up, your score is compared with your best for that level.

Controls

Type the answer on the keyboard or number pad and press Enter. No timer on typing, only on the 60-second round.

Math skills and grades

Skills: Mental addition and subtraction, with times tables at the hard level.

Best for: Grades 1 to 6 (ages 6 to 12).

Tips for parents and teachers

  • Start on Easy and move up only when you score 20 or more in a round.
  • Say the method out loud: for 47 + 28, add 50 then take away 3.
  • Best scores are stored per level on this device only.

Quick Sum Sprint questions

Are the questions random?

Yes. Each question is generated on the spot within the level limits, and answers are never negative.

Does it work on a phone?

Yes. The answer box opens the numeric keypad on phones and tablets.

Is there multiplication?

Only at the Hard level, where about one in three questions is a times-table fact from 3 to 12.

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