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December 2011, Volume 17, Issue 5


Statistical Reasoning over Lunch
Sarah J. Selmer, Johnna J. Bolyard, and James A. Rye
An analysis of food choices becomes a rich data-driven lesson set in a real-world context.
Second Look:
Math with Dietary Data

Managing a Standards-Based Classroom
Susan Edwards
A specially designed professional development program supports quality instruction by novice teachers.

Unfolding Fraction Multiplication
Terry Wyberg, Stephanie R. Whitney, Kathleen A. Cramer, Debra S. Monson, and Seth Leavitt

Help students understand an important algorithm by using a piece of paper and a number line.

more4u-MTMS-100x23 Podcast from NCTM's 2012 Annual Meeting in Philadelphia, Pennsylvania
The Number Line’s Importance in Understanding Fractions
Presenter: Lauri Susi

Social Skill Development through Math
Zachary M. Walker and Jessica H. Hunt
How to weave life skills into a classroom to support students with disabilities.

Second Look - Math with Dietary Data

Math at Work: Figuring Fitness: Nutrition in the Middle Grades
The mathematics inherent in eating foods that are healthy is the focus of this issue's Math at Work. Included are example activity and activity sheets to be used in the classroom. Math at Work connects mathematics to various occupations and is a regular feature of Mathematics Teaching in the Middle School.

Using School Lunches to Study Proportion
A project in which proportion, ratio, and percent are used to analyze the nutritional value of student lunches. Sample student work included.

Diet, Ratios, Proportions: A Healthy Mix
Activities based on healthy eating focused on teaching proportional reasoning. Activity sheet and sample student work included.

Illuminations Lesson: Big Math and Fries

We are lucky to live in an age where there is a lot of nutrition information available for the food we eat. The problem is that much of the data is expressed in percents and some of those percents can be misleading. This lesson is designed to enlighten students about how to calculate percent of calories from fat, carbohydrates, and protein. The calculations are made to determine if a person can follow the Zone Diet with only McDonald's food items. 

Connections Standard - Pre-K through Grade 12
When students can connect mathematical ideas, their understanding is deeper and more lasting. They can see mathematical connections in the rich interplay among mathematical topics, in contexts that relate mathematics to other subjects, and in their own interests and experience. Through instruction that emphasizes the interrelatedness of mathematical ideas, students not only learn mathematics, they also learn about the utility of mathematics.