Describes a problem that appeared in the April, 1999 issue of this journal and analyzes student responses and misconceptions. The problem concerns exponential progressions. (KHR)

Provides weekly activities based on suggested activities from "Principles and Standards for School Mathematics." (KHR)

Invites students to try magic-number tricks and discover how and why they work. (Author)

Describes two-line display calculators and their functions. (Author/YDS)

Presents responses to the Mathematics of Motion problem which includes estimating the area of shapes on grid paper. (Author/YDS)

Presents the Football Frenzy problem. (Author/YDS)

Features activities based on a theme that is usually associated with a particular month. (Author/YDS)

Presents the children's story "COOK-A-DOODLE-DOO!" to provide the impetus for a lesson that includes opportunities for problem solving, estimating, predictive reading, and enjoyable eating. (KHR)

Poses the Fractionberry Pie problem to teach students fractions. (Author/NB)

Presents solutions to the Have a Heart problem that appeared in the February 2002 issue of this journal. (Author/NB)

Presents the March Mathness problem which allows students to mathematically analyze familiar situations. Uses sports as the analogy. (Author/NB)

Presents the Shape Search problem to develop student visualization. Focuses attention on the National Council of Teachers of Mathematics (NCTM) Geometry Standard. (Author/NB)

Using sequential chains of regular n-gons in a row with one side touching, as for example, one triangle, two triangles, three triangles, and so on, students graph the length of the perimeter versus the number of n-gons and determine the functional relationship for different values of n. (MKR)

Describes how elementary school teachers demonstrated for themselves and their students how using simple drawings and visualization can improve problem-solving ability. (ASK)

Discusses the importance of having students pose their own questions and write problems. Proposes a subject related to the heart, blood, and the life-giving potential of blood. Provides related internet sites from which teachers can get information. (ASK)