Higher roots

Lesson details

Key learning points

1. In this lesson, we will investigate higher roots of numbers. This is an extension of square and cube roots. We will make sense of numbers written with higher roots, and learn how to calculate the value of those numbers.

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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4 Questions

Q1.
What is the highlighted number called?
Correct answer: All of the above
Exponent
Index
Power
Q2.
Simplifying (a x a x a x a x a) gives ...
A
B
C
Q3.
Which of the following options represents 1 billion?
A
C
D
Q4.
Evaluate the following numerical expression
4 x 12
48
8 x 6
Correct answer: All of the above

5 Questions

Q1.
True or false, this symbol finds the fifth root of a number?
False
Sometimes
Q2.
Evaluate the following numerical expression
A
B
D
Q3.
Find the fourth root of 4 squared
A
B
D
Q4.
What is the 199th root of -1?
0
1
This cannot be calculated
Q5.
Evaluate the following numerical expression
-3
-7
10