Unit 4 Measurement Worksheet Page 41

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The gram is a small unit of mass.
The mass of an object you can hold in the palm of your hand
is usually measured in grams.
The bean seed has a mass of
A banana has a
about 1 g.
mass of about 200 g.
It takes 1000 g to balance 1 kg.
1000 g
1 kg
Name an object that has a mass of about 1 g.
1.
Explain your choice.
Use your object as a referent to estimate the mass of each.
a roll of 25 pennies
a)
a baseball
b)
an apple
c)
a mouse
d)
Sort the objects into 2 groups
2.
• ones you would use as a referent for 1 g
• ones you would use as a referent for 1 kg
a counter
a book
a bottle of water
a dime
172
Unit 4 Lesson 12

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