4.6.1

Length

Test yourself

Length and Area

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Length

  • Standard units for length are kilometres (km), meters (m), centimetres (cm) and millimetres (mm).
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Imperial units

  • For long distances either kilometres or miles can be used.
    • 5 miles is roughly 8 kilometres.
  • Miles are imperial (traditional) units. The other imperial units for length are feet, yards and inches.
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Area

  • Standard units for area are square kilometres (km2), square metres (m2), square centimetres (cm2) and square millimetres (mm2).
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Converting area units

  • To convert between different units of area, write out the measure as a multiplication and convert each part separately.

Jump to other topics

1Number

1.1Using Numbers

1.2Fractions, Decimals & Percentages

1.3Powers & Roots

1.4Accuracy

2Algebra

2.1Introduction to Algebra

2.2Manipulating Algebra

2.3Proofs & Functions

2.4Straight Line Graphs

2.5Common Graphs

2.6Transformations & Tangents

2.7Properties of Graphs

2.8Solving Equations

2.9Inequalities

2.10Sequences

3Ratio

4Geometry

4.1Introduction to Geometry

4.2Triangles & Quadrilaterals

4.3Transformations

4.4Circle Basics

4.5Circle Theorems

4.6Measurements & Units

4.7Calculating Area

4.8Triangle Formulae

4.93D Shapes

4.10Vectors

5Probability

6Statistics

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