Subtract two surds where you need to simplify
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Lesson details
Key learning points
- In this lesson, we will learn how to subtract two surds where you may need to simplify at least one surd prior to subtracting.
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 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
3 Questions
Q1.
Which calculation can be simplified further?
A
B
D
Q2.
Simplify fully √27 - √12
√15
√27 - √12
5√3
Q3.
Simplify fully 4√3 - √12
3√15
3√2
4√15