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Grade: Middle
Subject: Mathematics

#494. measuring radius and circumference

Mathematics, level: Middle
Posted Fri Jun 26 09:38:37 PDT 1998 by tina hardy ().
New smyrna middle school, nsb,fl,usa
Materials Required: ruler, bubbles, worksheet
Concepts Taught: measurement

wet each desk. pass out bubbles to groups of two. have them blow bubbles on desktop. pick a bubble and measure the diameter with the ruler. write down on worksheet as bubble #1. follow formulas to find the radius and circumference. they can do 10 bubbles, taking turns measuring and computing.