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 Printable Version
for your convenience!
Kari Lyberger
Topic: weight (measurement), estimation
Grade level: 3-4
Name of activity: Weighing the possibilities
Materials Needed: wire hanger, 2 plastic bags, centimeter cubes,
tape, balance scale,
paper, pencil.
Description of activity:
First, set up a balance scale with hanger and plastic bags as
shown. Students should be in groups of 3 - 4. Each student
chooses an object in the room for which other players will estimate
the mass. The object should be light such as a pencil, pen, or
coin. The other players will write down the number of centimeter
cubes they think equals the mass of the object chosen. They may
pick up the object and examine it to help estimate. The person
whose object it is measures the mass using centimeter cubes and
the balance scale. The player with the closest estimate picks
the next object.
Resource: Mathematics in Action. 1994. NY: MacMillan/McGraw
Hill
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