Manipulating surds
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Lesson details
Key learning points
- 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
C
D
Q2.
Which of the following is NOT a surd
Option 1
B
C
Q3.
Evaluate √144
1.44
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
Q5.
A right- angled triangle is shown in the diagram below. Find the length of the hypotenuse.
116
14
28
Q6.
A right- angled triangle is shown int he diagram below. Find the length of the missing side.
√135
√33
153
Q7.
A right- angled triangle is shown int he diagram below. Find the length of the missing side.
√146
36
96
5 Questions
Q1.
Work out √16
2
8
Q2.
Which of the following is NOT equivalent to 2 × √9
2√9
6
Q3.
What is √4×√4
16
8
Q4.
True or False?
False
Q5.
What is √9−√4 ?
2
3
4
5