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Lesson details

Key learning points

  1. In this lesson, we will learn how to add two or more surds where no prior simplification is needed.In these cases, the surds will all have the same root.

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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3 Questions

Q1.
Which answer is correct if 9√2 is rewritten in the form √x?
An image in a quiz
A
B
Correct answer: C
D
Q2.
Is the following statement true or false?
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False
Correct answer: True
Q3.
Which 2 integers does 5√6 lie between?
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A
B
C
Correct answer: D

3 Questions

Q1.
Which number is not a surd?
√2
Correct answer: √4
√5
√7
Q2.
Simplify 6√7+5√7
√7
11√14
Correct answer: 11√7
30√7
Q3.
A piece of wood has been cut up into three equal pieces as shown. What was the original total length of the piece of wood?
An image in a quiz
4√5
6√15
Correct answer: 6√5
8√5

Lesson appears in

UnitMaths / Adding surds