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• "CCSS.Math.Content.2.MD.D.9"
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## Coding Toys in Kindergarten

Claims are made that learning to code can enhance problem-solving skills and develop early computational thinking. This team observed how young children used their early mathematical skills while learning coding fundamentals. Contributors to the iSTEM department share ideas and activities that stimulate student interest in the integrated fields of science, technology, engineering, and mathematics (STEM) in K–grade 6 classrooms.

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## Mapping a Way to Decimal Understanding

Using Cuisenaire Rods, metric measurement, and mapping, students worked collaboratively to calculate, keep records, build, and problem solve with use of decimal fractions as a key element.

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## Inch by Inch, We Measure

Examine teaching strategies, students' conceptions and visualizations of length units, and conservation of length as first graders explore the meaning of an inch in the context of a garden inchworm.

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## Constructing Understanding in a Mathematics Methods Course

Key elements can enhance teacher candidates' understanding, interest, and confidence with learning and teaching mathematics while decreasing their math-related anxiety and fear.

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## Graphing Stories for a 3 Act Task

Through trial and error and ultimate success, students create a graph to model a real-world situation.

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## Problem: Jump as Far as You Can

This month's problem examines the standing long jump, an Olympic event until 1912. Students will jump as far as they can from a standing position and measure the distance by using different units, such as cubes, feet, and inches. A good problem can capture students' curiosity and can serve many functions in the elementary school classroom: to introduce specific concepts the teacher can build on after students recognize the need for additional mathematics or to help students see where to apply already-learned concepts. We encourage teachers to use the monthly problem and suggested instructional notes in their classrooms and report solutions, strategies, reflections, and misconceptions to the journal audience.

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## What is your body mass index?

The number of people who are obese or overweight has dramatically increased throughout the world in recent years. This article presents an activity in which fifth- and sixth-grade students analyzed body mass index (BMI) and planned a diet accordingly; an interactive simulation supported the creation of a healthy eating regimen. iSTEM (Integrating Science, Technology, and Engineering in Mathematics) authors share ideas and activities that stimulate student interest in the integrated fields of science, technology, engineering, and mathematics (STEM) in K–grade 6 classrooms.

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## A Super Way to Soak in Linear Measurement

After analyzing advertising claims regarding water shooters, students present their findings.

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## UDL for Geometric Length Measurement

A proactive preschool teacher differentiates instruction by using the Universal Design for Learning framework to decrease barriers that limit students' access to classroom learning.

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## A STEAM investigation: Making giant strides

In this article, the authors share how a class of fifth-grade students from an urban elementary school channeled their creativity and critical thinking in an engaging STEAM investigation. Contributors to the iSTEM (Integrating Science, Technology, Engineering, and Mathematics) department share ideas and activities that stimulate student interest in the integrated fields of science, technology, engineering, and mathematics (STEM) in K–grade 6 classrooms.