Tutorial

GCSE Maths: Powers and Roots

Learn about square numbers, cube numbers, and their corresponding roots. Understand the notation for powers (indices) and calculate with them.
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Deck Contents

62 Cards
Lesson#1
Welcome to this deck on powers and roots. We'll explore what it means to square or cube a number, and how to reverse the process by finding a root. You'll also learn some important rules for powers that will be useful throughout your maths journey.
Lesson#2
When you see a number with a small number written slightly above it to the right, you're looking at a power, also known as an index. For example, 5 with a small 2 is read as '5 to the power of 2' or '5 squared'. The main number is called the base, and the small number is the power or index.
Quiz#3
In a number with a power, like 5 squared, what does the power or index tell you to do?

how many times to multiply the base by itself

Quiz#4
In the expression '7 to the power of 3', what is the number 7 called?

base

Quiz#5
In the expression '7 to the power of 3', what is the number 3 called?

power or index

Lesson#6
Let's start with square numbers. A square number is what you get when you multiply a whole number by itself. For example, 3 multiplied by 3 gives the square number 9. It's called a square number because you could arrange 9 dots into a 3 by 3 square.

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