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brain workout

Arithmetic Aerobics

A fast math workout. Beat the clock!

Problems use numbers from 1 up to this. Pick one below or type any number.

How long you get for each problem. The round ends when time runs out.

Which operations?

Pick one or more. Problems are mixed from your choices.

How to play

  1. [1]A math problem appears with a timer.
  2. [2]Type the answer. As soon as it's right, the next problem appears.
  3. [3]Wrong answer? No problem, just try again. Only the clock can stop you.
  4. [4]Get 5 in a row to level up. Each level uses bigger numbers.