Use cubic polynomial functions before increasing the difficulty with irrational values.

# Search Results

### Mary E. Pilgrim

A two-part calculus activity uses true-false questions and a descriptive outline designed to promote active learning.

### Marshall Lassak and Renee Fietsam

Consider the following problem, which was the MT Calendar problem for December 3, 2006:

Readers comment on published articles or offer their own mathematical ideas.

Readers comment on published articles or offer their own mathematical ideas.

### Wayne Nirode

To introduce sinusoidal functions, I use an animation of a Ferris wheel rotating for 60 seconds, with one seat labeled *You* (see **fig. 1**). Students draw a graph of their height above ground as a function of time with appropriate units and scales on both axes. Next a volunteer shares his or her graph. I then ask someone to share a different graph. I choose one student with a curved graph (see **fig. 2a**) and another with a piece-wise linear (sawtooth) graph (see **fig. 2b**).

### Lorraine M. Baron

Assessment tools–a rubric, exit slips–inform instruction, clarify expectations, and support learning.

### S. Asli Özgün-Koca

Student interviews inform us about their use of technology in multiple representations of linear functions.

### Arsalan Wares

A paper-folding problem is easy to understand and model, yet its solution involves rich mathematical thinking in the areas of geometry and algebra.

### Michael J. Bossé, Kathleen Lynch-Davis, Kwaku Adu-Gyamfi, and Kayla Chandler

Teachers can use rich mathematical tasks to measure students' conceptual understanding.