Whole Numbers IV

Mathematics J.S.S 2 First Term

Theme: Numbers & Numeration

Sub Theme: Whole Number

WEEK 5

Whole Numbers IV

Performance Objectives

Students should be able to;

1. Identify numbers that are perfect squares

2. Find the squares of any given numbers

1. Find the square root of perfect squares using factor method
2. Find the square root of any given numbers.

SQUARE ROOTS OF PERFECT SQUARES BY FACTOR METHOD

SQUARE:

Content

Square roots

7² = 7 x 7 = 49.

In words ‘ the square of 7 is 49’. We can turn this statement around and say. ‘the square root of 49 is 7’.

In symbols, √49 = 7. The symbol √ means the square root of.

To find the square root…