MO EDU-SAIL Learning Packages Developing Assessment Capable Learners: Part 3 | Page 34

Professional Development to Practice
Reasoning: “one rotation” represents the
circumference of the circle
How far will a wheel travel in one rotation
if the diameter is 10 cm?
Inaccurate Answer: 10 cm
1 x 10 = 10 cm
(one rotation times the diameter 10)
What is the flaw in the student’s reasoning?