Squares, cubes and roots (Edexcel GCSE Maths): Flashcards

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Squares, cubes and roots
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Square numbers definition

Whole number multiplied by itself

What square numbers represent geometrically

Areas of squares with whole number side lengths

Index notation for squaring

n2n^2 (small 2 shows squaring)

Square root definition

Opposite of squares; which number squared gives this result

Square root symbol

\sqrt{}

What squares to memorise for exams

Squares up to 15×1515 \times 15 and their square roots

Cube numbers definition

Number multiplied by itself, then by itself again

What cube numbers represent geometrically

Volumes of cubes with whole number side lengths

Index notation for cubing

n3n^3 (small 3 shows cubing)

Cube root definition

Opposite of cubes; which number cubed gives this result

Cube root symbol

3\sqrt[3]{}

What cubes to memorise for exams

Cubes of 2, 3, 4, 5, and 10 and their cube roots

How roots relate to powers

Square roots and cube roots are inverse operations

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