Add two surds where you need to simplify
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Lesson details
Key learning points
- In this lesson, we will learn how to add two surds where you may need to simplify at least one surd prior to adding.
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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.
Simplify 6√2 - 4√2
√2
10√2
2
Q2.
Simplify 6√7 - 5√7
11√14
30√7
Option 4
Q3.
A piece of wood is shown. It is 7√5 m long. A piece of length 2√5 m is cut away. How long is the piece of wood now?
14√5 m
15√5 m
9√5 m
3 Questions
Q1.
Which calculation can be simplified further?
A
C
D
Q2.
Simplify √12 + √27
√12 + √27
√39
2√3 + 3√3
Q3.
Simplify fully 3√8 + √50
2√11
3√58
7√2