Magic squares - games demonstrating the relationship between natural numbers

Magic squares are learning games which are arrangements of numbers in a way that their sum in any direction adds up to the same number - the magic number. This is a learning game.

As a student of Math I very often came across this puzzle and it never occurred to me to use it as a learning game. The task is to arrange a given set of numbers in such a way that their sum in any direction is the same. This sum is called the magic number. This is a learning game to understand the relationships between numbers

Here we will be examining two such puzzles. We will look at how to put together such puzzles

Do you shout at your children when they aggravate you with their stubborness?


Puzzle 1:

1. This puzzle or learning game uses a 3x3 matrix like the one given in the figure below.

Magic square1 - 3x3matrix

2. The puzzle or learning game is to distribute the sequence of any 9 natural consecutive numbers in the 9 cells of the 3x3 matrix. The distribution is done in such a way that the sum in any direction is the same magic number.


3. Divide 18 by 3. You get the quotient '6'. Put 6 in the central cell of the 3x3 matrix.

4. To get the numbers in the central row, i.e. to the right and the left of 6, add 2 to 6 and subtract 2 from 6 respectively. The result is represented in the picture.

Magic square1 - 3x3 middle row

5. The next step is to find the numbers on the left diagonal. Add 1 to 6 and subtract 1 from 6 to get the numbers on the right and left of 6 respectively on the left diagonal.

Magic square1 - 3x3 left diagonal

6. For the numbers on the right diagonal: add 3 to 6 to get the number on the left of 6; and subtract 3 from 6 to get the number on the right of 6.

Magic square1 - 3x3 right diagonal

7. For the numbers above and below 6: subtract 4 from 6 to get the number above 6; add 4 to 6 to get the number below 6.

Magic square1 - middle column

8. Now that you have all the numbers distributed in the 3x3 matrix, check whether the numbers in any direction add up to 18.

Magic square1 - 3x3 solution

9. It works! You can check this with other magic numbers (other multiples of three)

10. Play this puzzle with friends or students. For instance for the magic number of 18, draw a 3x3 matrix. Ask your friends to arrange the numbers from 2 - 10 in the 9 cells of the matrix to get the sum of 18 in any direction.

Magic square 2:

1. This magic square uses a 4x4 matrix with 16 cells. The puzzle is to arrange any 16 consequent natural numbers in the cells of the 4x4 matrix so that the sum in any direction is the same.

Magic square2 - 4x4 matrix

2. Let's work with the set of natural numbers from 2 to 17. The magic number is 38.

3. First arrange the sixteen numbers from 2-17 in order as shown in the figure.

Magic square2 - 4x4 puzzle

4. Now swap the numbers enclosed in the same symbol, as shown in the two figures below.

Magic square2 - 4x4 step 1

5. Once the numbers have been swapped, check the sum of the numbers in any direction. The magic square works again!

Magic square2 - 4x4 step 2

6. Construct other such magic squares and pose the puzzle to your friends.

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