Page 98 - Mathematics Class - IX
P. 98
PROJECT 6
AIM
Magic Squares.
DEFINITION
A magic square is a square array of numbers consisting of the distinct positive integers 1, 2, ..., n arranged such
2
that the sum of the n numbers in any horizontal, vertical, or main diagonal line is always the same number.
15 15 15
15
8 1 6 15
3 5 7 15
4 9 2 15
15
MAKING MAGIC SQUARE
1. Draw a pyramid on each side of the magic square as shown in figure.
3
2 6
1 5 9
4 8
7
2. The pyramid should have two less squares on its base than the number of squares on the side of the
magic square.
3. Sequentially place the numbers 1 to n of n × n magic square in the diagonals as shown in the given figure.
2
4. Relocate any number not in n × n square (that appears in the pyramid you added) to the opposite hole
inside the square.
5. We will get the following result.
2 7 6
9 5 1
4 3 8
96