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April 2006, Volume 12, Issue 8


Riding the Mathematical Merry-Go-Round to Foster Conceptual Understanding of Angle
Ron Tzur, Matthew Clark
Playful activities for fostering students' conceptual understanding of angle. Teachers will learn about classrooom activities to help teach this important geometry concept.

Creating, Naming, and Justifying Fractions
Daniel Siebert, Nicole Gaskin
For students to develop meaningful conceptions of fractions and fraction operations, they need to think of fractions in terms other than as just whole-number combinations. The authors suggest two powerful images for thinking about fractions that move beyond whole-number reasoning and can be used in the classroom to help support the teaching of fractions.