Help your students prepare for their Maths GCSE with this free Squares, Cubes, And Roots Worksheet of 44 questions and answers
A square number, or perfect square, is the result when an integer is multiplied by itself. For example, 9 is a square number because 3×3=9. The square root of a number is the number that has been multiplied by itself to get that number. For example the square root of 9 is 3. This is called a perfect square root since it is a whole number. We can find the square root of any number but if the number is not a perfect square then its square root will be a decimal.
A cube number, or perfect cube, is the result when an integer is multiplied by itself three times. For example, 5x5x5=125 so 125 is a cube number. The cube root of a number is the number that has been multiplied by itself three times to get that number. For example the cube root of 125 is 5.
Square numbers and cube numbers are an important part of the number system and it is important that we can recognise the most common ones.
As well as being able to calculate squares of numbers, cubes of numbers, square roots and cube roots, we need to be able to simplify expressions involving exponents. When simplifying an expression involving indices, we don’t actually work out the calculation, but rather write it in as simple a format as possible. There are some key rules that we use when simplifying expressions involving indices:
These rules work only when the base number is equal and it is important to notice that the base number does not change.
There will be students in your class who require individual attention to help them succeed in their maths GCSEs. In a class of 30, it’s not always easy to provide.
Help your students feel confident with exam-style questions and the strategies they’ll need to answer them correctly with our dedicated GCSE maths revision programme.
Lessons are selected to provide support where each student needs it most, and specially-trained GCSE maths tutors adapt the pitch and pace of each lesson. This ensure a personalised revision programme that raises grades and boosts confidence.