About Lesson
Properties of Square Numbers
Properties of square numbers are:
- If a number has 0, 1, 4, 5, 6 or 9 in the unit’s place, then it may or may not be a square number. If a number has 2, 3, 7 or 8 in its units place then it is not a square number.
- If a number has 1 or 9 in unit’s place, then it’s square ends in 1.
- If a square number ends in 6, the number whose square it is, will have either 4 or 6 in unit’s place.
Finding square of a number using identity
Squares of numbers having two or more digits can easily be found by writing the number as the sum of two numbers.
For example:
