Introduction to Measurements

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Numeracy and Access Maths. Some slides on measuring length and weight. Includes metric units of length. Also Zero error when using kitchen scales

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Introduction to Measurements

  1. 1. Measurements Metric and Imperial
  2. 3. Four types of measurement… <ul><li>Length (can lead to area with a calculation) </li></ul><ul><li>Time </li></ul><ul><li>Capacity </li></ul><ul><li>Weight </li></ul>
  3. 4. Four types of measurement… <ul><li>Length (can lead to area with a calculation) </li></ul><ul><li>Time </li></ul><ul><li>Capacity </li></ul><ul><li>Weight </li></ul>
  4. 5. Four types of measurement… <ul><li>Length (can lead to area with a calculation) </li></ul><ul><li>Time </li></ul><ul><li>Capacity (very similar to volume) </li></ul><ul><li>Weight </li></ul>
  5. 6. Measuring length How many centimetres long is the pink paper?
  6. 7. Measuring length How many inches long is the pink paper?
  7. 8. Units of measurement <ul><li>When you put the paper by the side of the ruler, you are counting how many centimetres (and decimal parts of a centimetre) you need to equal the length of the paper </li></ul><ul><li>The unit of length that you are using is the centimetre </li></ul><ul><li>You could use millimetres (or inches) instead </li></ul>
  8. 9. Measuring weight
  9. 10. Measuring weight
  10. 11. Measuring weight
  11. 12. Measuring weight
  12. 13. Measuring weight
  13. 14. Measuring weight Supposed to be 500g bag Is it my scales or is the bag really 1lb?
  14. 15. Converting (metric) Camera lens over the 50/5 marks. Rulers lined up. How many mm in a cm?
  15. 16. Metric length <ul><li>10mm = 1 cm </li></ul><ul><li>100cm = 1m </li></ul><ul><li>1000 m = 1 Km </li></ul><ul><li>milli means one thousandth </li></ul><ul><li>centi means one hundredth </li></ul><ul><li>Kilo means one thousand </li></ul>
  16. 17. Metric length <ul><li>How many centimetres in 2 metres? </li></ul><ul><li>How many millimetres in 10 centimetres? </li></ul><ul><li>How many metres in 3 kilometres? </li></ul><ul><li>How many millimetres in 25 centimetres? </li></ul><ul><li>How many centimetres in 150mm? </li></ul><ul><li>How many centimetres in half a metre? </li></ul><ul><li>How many metres in half a kilometre? </li></ul>
  17. 18. Imperial length <ul><li>12 inches in a foot </li></ul><ul><li>3 feet in a yard </li></ul><ul><li>220 yards in a furlong </li></ul><ul><li>8 furlongs in a mile! </li></ul><ul><li>These funny multiples were practical when you had to halve things, and divide them up by halving and quartering. </li></ul><ul><li>A Saxon field was 220 yards by 22 yards wide, one Acre. </li></ul>
  18. 19. Your turn <ul><li>Work in four groups </li></ul><ul><li>Use the yardsticks, the steel tape measures and the 30 cm rulers to complete the length activities on the worksheet </li></ul><ul><li>Take it in turns to do the weight activity using the scales </li></ul>
  19. 20. Safety Don’t have your fingers near the edge of the tape when you are winding it back in!

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