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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 Oak’s terms & conditions (Collection 1), except where otherwise stated.

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7 Questions

Q1.
Simplify fully βˆšπŸ•2
3√8
36√2
6+√2
Correct answer: 6√2
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: √4 x √12 = √48. Jill says: √4 x √12 = 3√4. Who is correct?
Both Jack and Jill
Neither is correct
Correct answer: Only Jack
Only Jill
Q4.
Simplify √10 - √3
√30
√7
10√3
Correct answer: Cannot be simplified
Q5.
Simplify, if possible: √8 + √50
√58
Correct answer: 7√2
8√50
Cannot be simplified
Q6.
Which of the following is NOT a surd?
Correct answer: √100
√102
√103
√104
Q7.
Simplify: 15√14 ÷ 3√2
35
5 + 7√2
5√2
Correct answer: 5√7

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