Units of Measure

Scheme of work: GCSE Foundation: Year 9: Term 3: Units of Measure

Prerequisite Knowledge

  • Multiply and divide whole numbers and those involving decimals by 10, 100 and 1000
  • measure, compare, add and subtract: lengths (m/cm/mm); mass (kg/g); volume/capacity (l/ml)
  • tell and write the time from an analogue clock, including using Roman numerals from I to XII, and 12-hour and 24-hour clocks

Success Criteria

  • Use standard units of measure and related concepts (length, area, volume/capacity, mass, time, money, etc.)
  • measure line segments and angles in geometric figures, including interpreting maps and scale drawings

Key Concepts

  • Understanding and applying the keywords is vital throughout this topic.
  • Metric terms such as milli, cent, kilo need to be associated with their numerical equivalences.
  • Relate metric conversions to multiplying and dividing by 10, 100 and 1000.
  • Practical measuring activities using the appropriate equipment helps students to remember the imperial/metric conversions.

Common Misconceptions

  • Students sometimes fail to recognise that imperial and metric units are two distinct sets of measurements.
  • Remembering the metric/imperial conversions often prove difficult for most students.
  • Students may have difficulty with the numerical conversions, especially with imperial units. Encourage the use of calculators when appropriate.

Units of Measure Resources

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