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The Sum Trick and Magic Square

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The following videos show how to draw a Magic Square and the sum math magic trick.

Magic Square Tutorial
What is a Magic Square?
A Magic Square is an arrangement of numbers in a square grid, where the numbers in each row, and in each column, and the numbers in the diagonals, all add up to the same number.

Amazing mathematical magic square trick.
In the magic square trick, an audience names any two digit number between 22 and 99 and after you fill in the 16 boxes there will be 28 possible combinations where the boxes will add up to the given number.
The trick to drawing the magic square is to realize that the numbers in a 4 by 4 magic square are always fixed as shown. (Look at the following video to see how to remember the numbers and their places in the square). Only the four numbers A, B, C, D are dependent on the number given by the audience.
magic square
Math Magic Tricks
The Sum Trick combines math and magic. The result is sure to amaze.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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