Measurement

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Author:
Mrs.Pollock
ID:
242223
Filename:
Measurement
Updated:
2013-10-22 19:35:40
Tags:
mm cm km dm dam mL volume perimetre surface area formulae
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Description:
Measurement terms
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  1. What does the step ladder KHDMDCM mean?
    • King Henry doesn't mind drinking chocolate milk
    • King = km
    • Henry = hm
    • doesn't = dam
    • mind = m
    • drinking = dm
    • chocolate = cm
    • milk = mm
  2. Volume
    - the amount a 3D shape can hold (how much can go inside)
  3. Volume of a Rectangle
    V = Length x Width x Height
  4. Volume of a Triangular Prism
    V = base x height divided by 2
  5. Perimetre
    -the distance around a particular object
  6. Perimetre of a Rectangle
    P = (length + width) x 2

    OR

    P = 2L + 2W
  7. Perimetre of a Triangle
    P = side 1 + side 2 + side 3
  8. mm to cm...what do you do?
    divide by 10

    e.g. 150 mm = 15 cm
  9. cm to m...what do you do?
    divide by 100

    e.g. 200 cm = 2 m
  10. m to km...what do you do?
    divide by 1000

    e.g.  3500 m = 3.5 km
  11. Surface Area
    -the area of all the faces of a 3D shape added up all together

    -use the area of rectangle (L x W) and the area of a triangle (B x H divided by 2) for these calculations
  12. km to m
    x 1000

    e.g. 5 km = 5000 m
  13. m to cm
    x 100

    e.g. 4.5 m = 450 cm
  14. cm to mm...what do you do?
    x 10

    e.g. 17 cm = 170 mm
  15. mL to L ...what would you do?
    divided by 1000

    e.g. 35000 mL = 35 L
  16. L to mL...what do you do
    x 1000

    e.g. 72 L = 72 000 mL
  17. For King Henry doesn't mind drinking chocolate milk...how does it work?
    - if moving down the ladder you x 10 for each step

    - if moving up the ladder you divide by 10 for each step
  18. 10 cm = ______ mm
    x 10

    So, 10 cm = 100 mm
  19. 100 m = _____ km
    -divided by 1000

    So, 100 m = 0.1 km
  20. 5650 mm = _____ m
    -go up the ladder 3 times

    So, divide by 10, then divide by 10, then divide by 10

    So, 5650 mm = 5.65  
  21. 78 km= _______ hm
    -move down the ladder 1 time

    So, x 10

    So, 78 km = 780 hm
  22. 4820 cm = _____ dm
    -move up the ladder 1 time

    -So, divide by 10

    -So, 4820 cm = 482 dm
  23. 78 569 mL = ______ L
    -divide by 1000

    So, 78 569 mL = 78.569 L
  24. 982 767 cm = ______ m
    - move up the ladder 2 times

    -so divide by 10, then divide by 10 again

    -So, 982 767 cm = 9827.67 m
  25. What type of measurement would you use to measure a fingernail?
    -mm would be most accurate

    -could use cm
  26. What type of measurement would you use to measure the distance between Hamilton and Florida?
    -km

    -it is the longest measure of distance and it is a long way from Hamilton to Florida
  27. What measurment would you use to measure the height of a tree?
    -metres

    -dam (a decametre is 10 metres)
  28. What measurement would you use to measure the length of a desk?
    -cm would be most accurate

    -mm would be extremely accurate but take too long
  29. What unit of measure would you use to determine the distance from your house to school?
    -it depends on how far away you live

    -if you live across the street you might choose metres

    -if you want at least 10 minutes you might want to use dam, hm, or km
  30. What unit of measurement would you use to find the amount of water in a swimming pool?
    -Litres

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