Natalya Vinogradova

Investigating the sum of the medians of a triangle leads to inequalities related to the perimeter.

Anthony M. Rodriguez

Students create authentic models in community-based projects while learning about composting and mathematics.

Laurie H. Rubel

Expand the focus on diversity and equity to discuss the importance of gender and sexual identity for mathematics education.

Scott Steketee and Daniel Scher

Students see that geometric transformations—dilation and translation—correspond to algebraic parameters—m and b—in the familiar equation for a linear function.

Mimi Corcoran

Sampling experiments with different types of beads give students a memorable hands-on experience.