- Home
- First Year Maths
- Rational Numbers
Determine square roots of rational numbers
- Lesson: 14:24
- Lesson: 2a3:54
- Lesson: 2b4:51
- Lesson: 3a5:16
- Lesson: 3b2:03
- Lesson: 3c2:45
- Lesson: 3d1:10
- Lesson: 4a3:40
- Lesson: 4b4:29
- Lesson: 4c4:43
- Lesson: 4d5:33
- Lesson: 5a1:45
- Lesson: 5b0:47
- Lesson: 5c0:45
- Lesson: 5d0:46
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.
Related Concepts: Square and square roots, Cubic and cube roots, Evaluating and simplifying radicals
Lessons
- 1.Use the graph below to determine a rational number with a square root between 4 and 5.
- 2.Use the side lengths below to estimate and calculate the area of each square.a)5.2 cmb)0.027 km
- 3.Find out if each of the following rational numbers is a perfect square.a)1681b)0.1c)0.01d)145
- 4.Evaluate.a)361b)2209c)0.0169d)5.76
- 5.Calculate.a)56, to the nearest tenthb)3.7, to the nearest hundredthc)0.96 , to the nearest hundredthd)0.066 , to the nearest hundredth