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number puzzles [5 rows in pyramids] [1b]

number puzzles [04] [5 rows] [pyramids] [1b]




















    [News Flash]
    Your task is to conquer the number pyramid by making sure that EVERY block is equal to the SUM of the numbers on the TWO blocks directly beneath it. Type in your answers replacing the ? marks. To restart the activity just refresh the page.
    learning can be FUN and EDUCATIONAL :