maths.com
Home
Basic Number
Concepts
Digits
Value By Place
Even Numbers
Odd Numbers
Multiples
Common Multiples
LCM
Factors
Factor Pairs
Common Factors
HCF
Square
Numbers
Cube
Numbers
Prime
Numbers


Square Numbers

1 x 1 = 1    1 is a square number
2 x 2 = 4    4 is a square number
3 x 3 = 9    9 is a square number

4 x 4 = 16    16 is a square number
5 x 5 = 25    25 is a square number
6 x 6 = 36    36 is a square number
7 x 7 = 49    49 is a square number
8 x 8 = 64    64 is a square number
9 x 9 = 81    81 is a square number

10 x 10 = 100    100 is a square number
11 x 11 = 121    121 is a square number
12 x 12 = 144    144 is a square number
13 x 13 = 169    169 is a square number
14 x 14 = 196    196 is a square number
15 x 15 = 225    225 is a square number

and so on

QUESTION

Which of the following numbers is a square number?
200    300    400    500    600