Year 9

Year 9

# Introduction to Surds

## Lesson details

### Key learning points

1. In this lesson, we will learn what a surd is and we will explore how to accurately estimate the value of a surd.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

Share with pupils

## Worksheet

Share with pupils

## Starter quiz

Share with pupils

### 7 Questions

Q1.
All integers are rational numbers
False
Q2.
Recurring decimals such as 0.3333.... are considered as irrational numbers.
True
Q3.
Which of these is an irrational number?
A
B
C
Q4.
Which of these is an irrational number?
A
B
D
Q5.
All rational numbers can be written as a fraction.
False
Q6.
The square root of all square numbers are irrational numbers.
True
Q7.
Which of these is a rational number?
A
C
D

## Exit quiz

Share with pupils

### 6 Questions

Q1.
√9 is a surd
Option 3
Option 4
Option 5
True
Q2.
Which of the following is a surd
A
B
D
Q3.
Which on the following is NOT a surd
B
C
D
Q4.
Which of the following is a surd?
A
B