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Measuring Mass
Activity Please
 Choose any object (maximum 6).
 Estimate its mass to the nearest Gram or Kilogram
 Check your estimate with Miss Fumo
Object Estimated Mass Actual Mass
What is mass?
 The mass of an object is a measure od
how heavy the object is.
 EXAMPLE: There are one thousand
grams in one kilogram
 1000 g = 1 kg
GRAMS
 The gram (g) is a small unit of mass used to measure
light objects
 The mass of a paper clip is about 1 gram (1g)
KILOGRAMS
 The kilogram (kg) is a larger unit of mass that is used to
measure heavier objects
 The mass of one liter of milk
is about 1 kilogram (1kg)
Lets try it out!
 Which unit would you use to measure each objects
mass?
 List these objects from greatest to least mass
a) b) c)
d) e) f)
Complete the following…
 1kg = ___________ g
 2 kg = ____________ g
 3 kg = ____________ g
 4000 g = _______________ kg
 5000 g = _______________ kg
 6000 g = _______________ kg
 17 kg = ________________ g
Complete the following…
 1kg = 1000 g
 2 kg = 2000 g
 3 kg = 3000 g
 4000 g = 4 kg
 5000 g = 5 kg
 6000 g = 6 kg
 17 kg = 17 000 g
THINK ABOUT THIS…
When you look at an
object, how can you tell
if its mass would be
measured in grams or
kilograms?
Pick the correct estimate…
a) 5g OR 50kg? b) 1g OR 100g c) 40g OR 2kg
CHALLENGE!
 Which unit is more appropriate?
 A) the mass of a lobster is 690 __________
 B) Tangerines are on sale for $2.49 a _________
 C) Marty's cookie recipe calls for 150 _____ of
chocolate chips
CHALLENGE 2
 Anna measured the mass of a box of books to be 13
kg. Suppose she wants to know the mass in grams.
 How will the mass in grams compare to the mass in
kilograms? EXPLAIN.
CHALLENGE 3
 Pregict the mass of 500 loonies.
 Compare your prediction with your elbow buddy.
 How could you check your prediction?

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Masspowerpoint 141205113541-conversion-gate01

  • 2. Activity Please  Choose any object (maximum 6).  Estimate its mass to the nearest Gram or Kilogram  Check your estimate with Miss Fumo Object Estimated Mass Actual Mass
  • 3. What is mass?  The mass of an object is a measure od how heavy the object is.  EXAMPLE: There are one thousand grams in one kilogram  1000 g = 1 kg
  • 4. GRAMS  The gram (g) is a small unit of mass used to measure light objects  The mass of a paper clip is about 1 gram (1g)
  • 5. KILOGRAMS  The kilogram (kg) is a larger unit of mass that is used to measure heavier objects  The mass of one liter of milk is about 1 kilogram (1kg)
  • 6. Lets try it out!  Which unit would you use to measure each objects mass?  List these objects from greatest to least mass a) b) c) d) e) f)
  • 7. Complete the following…  1kg = ___________ g  2 kg = ____________ g  3 kg = ____________ g  4000 g = _______________ kg  5000 g = _______________ kg  6000 g = _______________ kg  17 kg = ________________ g
  • 8. Complete the following…  1kg = 1000 g  2 kg = 2000 g  3 kg = 3000 g  4000 g = 4 kg  5000 g = 5 kg  6000 g = 6 kg  17 kg = 17 000 g
  • 9. THINK ABOUT THIS… When you look at an object, how can you tell if its mass would be measured in grams or kilograms?
  • 10. Pick the correct estimate… a) 5g OR 50kg? b) 1g OR 100g c) 40g OR 2kg
  • 11. CHALLENGE!  Which unit is more appropriate?  A) the mass of a lobster is 690 __________  B) Tangerines are on sale for $2.49 a _________  C) Marty's cookie recipe calls for 150 _____ of chocolate chips
  • 12. CHALLENGE 2  Anna measured the mass of a box of books to be 13 kg. Suppose she wants to know the mass in grams.  How will the mass in grams compare to the mass in kilograms? EXPLAIN.
  • 13. CHALLENGE 3  Pregict the mass of 500 loonies.  Compare your prediction with your elbow buddy.  How could you check your prediction?