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## The Power of Pets

Math by the Month features collections of short activities focused on a monthly theme. These articles aim for an inquiry or problem-solving orientation that includes four activities each for grade bands K–2, 3–4, and 5–6. This month's article presents mathematics word problems for students focused around the theme of pets. Solving these problems can help students apply mathematical thinking to authentic problems related to an interesting topic.

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## Statistics at Play

Three core components in developing children's understanding and appreciation of data—establish a context, pose and answer statistical questions, represent and interpret data—lay the foundation for the fourth component: use data to enhance existing context.

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## Solutions: The school bus dilemma

This section of the Problem Solvers department discusses the classroom results of using problems presented in previous issues of Teaching Children Mathematics.

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## Tinkering with buoyancy

The goal of the project this month is for students to design and build a tinfoil boat that is capable of carrying the maximum weight with the least expense, learning the scientific concept of buoyancy; incorporating the technological tool of TinkerPlots; applying engineering principles to designing and building a boat; and using mathematical knowledge of area, graphs, and data analysis. Integrating Science Technology Engineering in Mathematics (iSTEM) is the venue for ideas and activities that stimulate student interest in these integrated fields in K–grade 6 classrooms.

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## We are growing

Math by the Month is a regular department of the journal. It features collections of short activities focused on a monthly theme. These articles aim for an inquiry or problem-solving orientation that includes at least four activities each for grade bands K—2, 3—4, and 5—6. In this issue, the problems capitalize on the natural curiosity of children to explore measurement.

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## Solutions: Classroom Elections

Showcase students' in-depth thinking and work on problems previously published in Teaching Children Mathematics.

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## Changing the Rules to Increase Discourse

A second-grade teacher challenges the raise-your-hand-to-speak tradition and enables a classroom community of student-driven conversations that share both mathematical understandings and misunderstandings.

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## School Bus Dilemma

This month's problem engages students in statistics, namely descriptive statistics. During the lesson, students will work with two measures of central tendency, the mean and the mode.

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## Take flight with mathematics

Exploring airport traffic, usage, hours of operation, and security statistics are all ways to model and bring relevance to math. Students soar while exploring the mathematics of aircraft: dimensions, cargo, fuel, and passenger capacity. Comparing two airports or aircraft would be valuable ways to extend their mathematical journey.

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## All hands on deck!

Math by the Month is a regular department of the journal, featuring collections of short activities focused on a monthly theme. These articles aim for an inquiry or problem-solving orientation that includes at least four activities each for grade bands K–2, 3–4, and 5–6. In the current issue, the problems are designed to actively engage your students in a literacy-rich mathematics environment, which is recommended by the NCTM Principles and Standards and the Common Core State Standards in Mathematics.