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Lesson details

Key learning points

  1. In this lesson, we will look at basic surd rules in particular multiplication and division.

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.

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7 Questions

Q1.
Which of the following is a surd
A
Correct answer: B
C
D
Q2.
Which of the following is NOT a surd
Option 1
B
C
Correct answer: D
Q3.
Evaluate √144
1.44
Correct answer: 12
72
Q4.
A right- angled triangle has sides a, b and c as show in the diagram. What is the correct formula to find the length a.
A
B
C
Correct answer: D
Q5.
A right- angled triangle is shown in the diagram below. Find the length of the hypotenuse.
An image in a quiz
Correct answer: √116
116
14
28
Q6.
A right- angled triangle is shown int he diagram below. Find the length of the missing side.
An image in a quiz
√135
Correct answer: √153
√33
153
Q7.
A right- angled triangle is shown int he diagram below. Find the length of the missing side.
An image in a quiz
√146
Correct answer: √96
36
96

5 Questions

Q1.
Work out √16
2
Correct answer: 4
8
Q2.
Which of the following is NOT equivalent to 2 × √9
Correct answer: √18
2√9
6
Q3.
What is √4×√4
16
Correct answer: 4
8
Q4.
True or False?
An image in a quiz
False
Correct answer: True
Q5.
What is √9−√4 ?
Correct answer: 1
2
3
4
5