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Lesson details

Key learning points

  1. In this lesson, we will recap our knowledge of basic indices. We will explore the power of zero, and carry out calculations involving low power values.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oakโ€™s terms & conditions (Collection 1), except where otherwise stated.

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7 Questions

Q1.
Simplify fully โˆš๐Ÿ•2
3โˆš8
36โˆš2
6+โˆš2
Correct answer: 6โˆš2
Q2.
Who is correct?
An image in a quiz
Correct answer: Both Ant and Dec
Neither is correct
Only Ant
Only Dec
Q3.
Jack and Jill are arguing about surds. Jack says: โˆš4 x โˆš12 = โˆš48. Jill says: โˆš4 x โˆš12 = 3โˆš4. Who is correct?
Both Jack and Jill
Neither is correct
Correct answer: Only Jack
Only Jill
Q4.
Simplify โˆš10 - โˆš3
โˆš30
โˆš7
10โˆš3
Correct answer: Cannot be simplified
Q5.
Simplify, if possible: โˆš8 + โˆš50
โˆš58
Correct answer: 7โˆš2
8โˆš50
Cannot be simplified
Q6.
Which of the following is NOT a surd?
Correct answer: โˆš100
โˆš102
โˆš103
โˆš104
Q7.
Simplify: 15โˆš14 รท 3โˆš2
35
5 + 7โˆš2
5โˆš2
Correct answer: 5โˆš7

6 Questions

Q1.
An image in a quiz
14
Correct answer: 49
72
9
Q2.
An image in a quiz
12
43
Correct answer: 64
7
Q3.
Hint: Work out the value in the brackets first.
An image in a quiz
12
16
32
Correct answer: 64
Q4.
An image in a quiz
A
B
C
Correct answer: D
Q5.
An image in a quiz
23
Correct answer: 28
3
8
Q6.
An image in a quiz
Correct answer: 125
15
53
8

Lesson appears in

UnitMaths / Indices and standard form