Determine square roots of rational numbers  Rational and Irrational Numbers
Determine square roots of rational numbers
In this section, we will look at how to evaluate a rational number by using square roots. We will also work on questions determining whether a rational number is a perfect square. We will also evaluate the square roots of rational numbers.
Lessons

2.
Use the side lengths below to estimate and calculate the area of each square.

3.
Find out if each of the following rational numbers is a perfect square.

4.
Evaluate.

5.
Calculate.