Unit 4 Measurement Worksheet Page 38
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48L E S S O N
Exploring Mass: The Kilogram
Some foods are sold by the kilogram.
This bag of rice measures one kilogram (1 kg).
Do you think you could lift this bag of rice?
Do you think you could lift 10 bags of rice like this?
You will need a balance scale, and
objects like the ones in the picture.
➤ Choose an object.
Estimate. Do you think it is
• lighter than 1 kg?
• heavier than 1 kg?
• about the same as 1 kg?
Use the scale to check your
estimate.
➤ Repeat with other objects.
➤ Record your work.
and
S h o w
S h a r e
Talk about how you estimated.
Which objects were a little heavier
than 1 kg?
Which were a lot heavier?
How could you tell?
169
L
F
Estimate and measure mass in kilograms.
ESSON
OCUS
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