Mark Applebaum, Roza Leikin
The
translation principle allows students to solve problems in different branches
of mathematics and thus to develop connectedness in their mathematical
knowledge.
Jennifer Dirksen, Nathaniel Dirksen, Ivan Cheng
An inherently visual technique, ProofBlocks lends itself to the use of manipulatives, thus making proof more accessible to more students.
Keith Devlin
A letter records how two of the greatest mathematicians of all time struggled for several weeks to solve a probability problem.
Christopher Baltus
Building on mutually reinforcing representations, students can trace a path from proportion to linear functions.
Rachael Barnes, Suzanne Hamon
The prealgebra curriculum offers opportunities for motivating students to engage in proof and for cultivating proof readiness.
John M. Tucker
This lab uses The Geometer’s
Sketchpad to allow students to discover a property of slopes.