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Brain-Gain level 2

 

Think of these as crossword puzzles but with the clues leading you to numbers rather than words. You will need knowledge of basic math. These exercises strengthen Working Memory skills that are essential to executive functions. Try doing the arithmetic in your head to build up your powers of concentration.

 

Number lockers are a kind of crossword puzzle with the clues leading you to numbers rather than words. In answers, you're allowed to use any whole numbers from 1 to 9; fractions, negative numbers, and 0 aren't allowed.

Click instructions to find details about math-terms and how to play number lockers.

The active box and clue show green.

Wrong answers show red.

Right answers are black.

 

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