You are looking at 1 - 10 of 10 items for :

  • Grades 9-12 x
  • Representations x
  • Teaching and Learning Instruction x
  • Refine by Access: All content x
Clear All
Restricted access

Ethan M. Merlin

Exercises about glue and trees and addresses can inoculate students against their notorious tendency to reduce incorrectly when simplifying expressions.

Restricted access

Becky Hall and Rich Giacin

Tying your teaching approach to the Common Core Standard for Geometry and Congruence will help students understand why functions behave as they do.

Restricted access

Christopher E. Smith

Considering circles in taxicab geometry helps students with Euclidean concepts.

Restricted access

Emily Sliman

Chalk Talk and Claim-Support-Question are two routines for developing students' ability to use multiple representations and encouraging classroom discussion.

Restricted access

Jeffrey J. Wanko, Michael Todd Edwards, and Steve Phelps

The Measure-Trace-Algebratize (MTA) approach allows students to uncover algebraic relationships within familiar geometric objects.

Restricted access

Dustin L. Jones and Max Coleman

Many everyday objects–paper cups, muffins, and flowerpots–are examples of conical frustums. Shouldn't the volume of such figures have a central place in the geometry curriculum?

Restricted access

Jennifer E. Circello and Scott R. Filkins

A geometric solids unit inspired by Plato's Cave Allegory uses different forms of three-dimensional objects to give students a clearer understanding of the realities of these objects.

Restricted access

Arnold E. Perham C.S.V. and Faustine L. Perham

The same rain that washes out the high school baseball team's game supplies data for a class geometry project.

Restricted access

Beth Cory and Ken W. Smith

Through these calculus activities, students reach an understanding of the formal limit concept in a way that enables them to construct the formal symbolic definition on their own.

Restricted access

Carol J. Bell

Reasoning and Proof is one of the process standards set forth in NCTM's principles and standards for school mathematics (2000).