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Understanding Quantities and Units: A Guide to Metric Measurements

This guide provides a comprehensive overview of quantities and units in the metric system. It discusses various measurable quantities like speed, volume, time, temperature, force, and frequency, along with their respective units. The text explains how to express numbers using scientific notation and factors such as milli, kilo, and mega. It emphasizes the importance of proper notation and the placement of numbers within units. Examples include the volume of water drops and weights of common objects to illustrate measurement concepts effectively.

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Understanding Quantities and Units: A Guide to Metric Measurements

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  1. Quantitiesand Units Quantitiesfactorunits

  2. Quantityand unit Quantity • Subject / measureable • First two columns frombinastable 6

  3. Grootheid en eenheid Quantityexamples • Speed v • Volume V • Time t • Temperature T • Force F • Frequency f

  4. Quantityand unit Thinkabout: capital letters and small letters!!!!!!

  5. 20 drops of water makes about 1 milliliter Unit • Size / is behind the number • Where do you put the number • Last two columns fromBinastable 6

  6. 20 drops of water makesabout 1 milliliter Unit • 5 dropswater is about1 mL 1 theespoonwith water is about5 mL 1 canwith water is 1 L

  7. Unit 1 paperclip is about1 g a Citroen 2CV is 560 kg Peugeot 407 SW is 1476 kg

  8. Factor Metricmathematics

  9. Factor Metricmathematics

  10. Factor Metricmathematics • Letters to make numberseasiertowrite • See binastable 3 forvalueandabbreviation (letter) • The lettercomesbefore the factor! • milli m x 1/1000 • Kilo k x1000

  11. Metriek What is scientific Numbersabove 10 you say are “to the power of….” The numberindicates the number of zerosafter the one.

  12. Factor Metricmathematics • Now we canalsowrite the metric system scientifically.

  13. Factor Metricmathematics • micro μ 0,000001 • milli m 0,001 • centi c 0,01 • deci d0,1 • 1 • deca da 10 • hecto h 100 • kilo k 1.000 • Mega M1.000.000

  14. Factor Metricmathematics

  15. Factor Whyscientific

  16. Factor What do youwrite

  17. Factor What does itmean 3

  18. Grootheid, Factor en Eenheid Quantity = number ●factor unit • m= 10 mg=10 ● g = 0,01g • t= 10 ms=10 ● s=0,01s • s= 10 km=10 ● m= 10.000 m

  19. Factor What does itmean See binastable3 for the factor 3

  20. Factor 2 kinds of rows  Point and right → Point andleft Steps of 10 m c d _ da h k Steps of 1000 n µ m _ k M G 3

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