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## You are looking at 1 - 10 of 17 items for :

• Conceptual Development
• Perimeter/Area/Volume
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## Early Algebra: Expressing Covariation and Correspondence

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## Hook and Hold

Set sail to explore powerful ways to use anchor charts in mathematics teaching and learning.

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## Untangling Geometric Ideas

This geometry lesson uses the work of abstract artist Wassily Kandinsky as a springboard and is intended to promote the conceptual understanding of mathematics through problem solving, group cooperation, mathematical negotiations, and dialogue.

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## Connecting the Threads of Area and Perimeter

See how sixth-grade students design and create quilt squares for this geometry project.

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## The Mathematics of Tiling

People who lay tile for a living use mathematics every day to decide how much tile, grout, and other supplies are required to complete each job. Measurement and geometry are an integral part of designing tile patterns. Collections of short activities focus on a monthly theme that includes four activities each for grade bands K–2, 3–4, and 5–6 and aims for an inquiry or problem-solving orientation.

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## Using Constructed Knowledge to Multiply Fractions

Observe fourth graders' thinking in action as they connect the multiplication of whole numbers to arrays.

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## The Distributive Property in Grade 3?

Are third graders ready to connect procedures to concepts of area conservation, distribution, and geometric interpretation?

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## The healthy vending machine

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 once 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 in their own classrooms and report solutions, strategies, reflections, and misconceptions to the journal audience.

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## Perimeter and Beyond

A simple problem-solving exercise encourages teachers to “start small” to reveal how third graders understand multiple math concepts simultaneously.

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## Building Understanding of Decimal Fractions

Using grids can help students overcome confusion about place value.