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December 2011, Volume 17, Issue 5

 FEATURES Statistical Reasoning over LunchSarah J. Selmer, Johnna J. Bolyard, and James A. RyeAn 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 ClassroomSusan EdwardsA specially designed professional development program supports quality instruction by novice teachers. Unfolding Fraction MultiplicationTerry Wyberg, Stephanie R. Whitney, Kathleen A. Cramer, Debra S. Monson, and Seth LeavittHelp students understand an important algorithm by using a piece of paper and a number line. Podcast from NCTM's 2012 Annual Meeting in Philadelphia, PennsylvaniaThe Number Line’s Importance in Understanding Fractions Presenter: Lauri Susi Social Skill Development through MathZachary M. Walker and Jessica H. HuntHow to weave life skills into a classroom to support students with disabilities.

 Departments Readers WriteReaders Write - December 2011/January 2012 Informing PracticeInforming Practice: Designing Math Lessons for English Language Learners Solve It!Solve It! Student Thinking: Squares and Pegs Cartoon CornerCartoon Corner: Baby-Boom Loophole Solve It!Solve It!: Shaded Rectangles Palette of Problems/Menu of ProblemsPalette of Problems - December 2011/January 2012 Mathematical ExplorationMathematical Explorations: The Temptation of Risk Window on ResourcesWindow on Resources: Books and Products - December 2011/January 2012 Math for RealMath for Real: Lights! Camera! Proportion!

 Second Look - Math with Dietary Data Math at Work: Figuring Fitness: Nutrition in the Middle GradesThe 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 ProportionA 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 MixActivities based on healthy eating focused on teaching proportional reasoning. Activity sheet and sample student work included. Illuminations Lesson: Big Math and FriesWe 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 12When 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.