Libby Henderson
Student Instructions
Look at the robot jar. Estimate how many marbles you think are in the jar.
Teacher Notes (not visible to students)
Number of marbles 1) 20 2) 31 3) 100 4) 47 5) 68 6) 150
Adrianne Gronnert
250
Alex Keeney
2
Erin Kaitler
115
Suzanne Snead, Digital Learning Specialist
663
1,346
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