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
Jennifer Burnett
401
Martha Castellanos
193
Miss Keath
285
Ms. Nicky
218
322
Sign Up
