Year 10
Higher

Subtract two surds where you need to simplify

Year 10
Higher

Subtract two surds where you need to simplify

Switch to our new maths teaching resources

Slide decks, worksheets, quizzes and lesson planning guidance designed for your classroom.

Play new resources video

Lesson details

Key learning points

  1. 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.

Loading...

3 Questions

Q1.
Which calculation can be simplified further?
An image in a quiz
A
Correct answer: B
C
D
Q2.
Simplify √12 + √27
√12 + √27
√39
2√3 + 3√3
Correct answer: 5√3
Q3.
Simplify fully 3√8 + √50
Correct answer: 11√2
2√11
3√58
7√2

3 Questions

Q1.
Which calculation can be simplified further?
An image in a quiz
A
B
Correct answer: C
D
Q2.
Simplify fully √27 - √12
√15
√27 - √12
Correct answer: √3
5√3
Q3.
Simplify fully 4√3 - √12
Correct answer: 2√3
3√15
3√2
4√15