1.3.11

Powers

Test yourself

Powers (Indices)

Powers tell us how many times to use a number in multiplication.

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52

  • 52 ('5 squared') means 5 × 5 = 25.
    • 25 is a square number.
Illustrative background for 5<sup>3</sup>Illustrative background for 5<sup>3</sup> ?? "content

53

  • 53 (5 cubed) means 5 × 5 × 5 = 125.
    • 125 is a cube number.
Illustrative background for 5<sup>n</sup>Illustrative background for 5<sup>n</sup> ?? "content

5n

  • 5n means n copies of 5 multiplied together.
  • 5n is called ‘5 raised to the power of n’.

Jump to other topics

1Number

1.1Place Value

1.2Factors & Multiples

1.3Operations

1.4Fractions, Decimals & Percentages

1.5Growth & Decay

1.6Measurements & Units

1.7Accuracy

2Algebra

2.1Introduction to Algebra

2.2Graphs

2.3Solving Equations

2.4Sequences

3Ratio, Proportion & Rates of Change

4Geometry & Measures

4.1Introduction to Geometry

4.2Ruler & Compass Constructions

4.3Perimeter & Area

4.4Triangles, Quadrilaterals & Circles

4.5Transformations

4.6Triangle Formulae

4.73D Shapes

4.8Vectors

5Probability

6Statistics

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