Number Patterns are mathematical sequences presented in the form of geometrical. Shapes like Y Patterns, Circular Patterns, Rectangular Patterns etc. that follow a certain rule based on elementary arithmetic operations. Patterns are given, with one or more. missing numbers and one must decipher the code (or find the logic) that connects. The numbers given in the patterns. One can find out the missing number(s) easily after finding out the logic/rule connecting the given numbers in the patterns.

__Y Patterns __

Establish relationship between two numbers to get the third one in each Y shaped arrangement. Same relationship exists among tree numbers of each arrangement. observe the relationship in 1st two Y figures and apply the same pattern to third Y figure to reach the solution.

__Missing Number = (5 X 2) + 2 = 12__

__Triangular Patterns __

There are 4 numbers – One in center and 3 numbers along the edges or at the corners. In each triangular figure, establish a relationship between three numbers to get the number at center.

__Missing Number = (8 + 3) X 7 = 77__

__Square or Rectangular Number Grids __

Square or rectangular Number grids have certain number of rows (horizontal lines) and columns (vertical Lines) in which numbers are arranged. There is some relationship among the numbers either along the rows or along the columns. Missing number can be calculated using same pattern among the numbers in their respective rows or columns.

__Missing Number: (6 X 6) + (c X c) = 52__

__Missing Number: (c X c) = 52 – (6 X 6)__

__Missing Number: (c X c) = 16__

__Missing Number: c = 8__

__Circular or oval Patterns__

This pattern can be little tricky at times as relationship is to be established among four numbers around the circle to get the number at the center.

__Missing Number: (4 X 16) – (3 X 14) = 22__

__X Pattern__

Like circular patterns X shaped patterns too can be tricky at times as relationship is to be established among four numbers at the corners to get the number at the center.

__Missing Number: (6 X 3) + (9 X 1) = 27__

**Numbers can be arranged in many geometrical patterns but the concept remains the same.**