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Micah S. Stohlmann

An escape room can be a great way for students to apply and practice mathematics they have learned. This article describes the development and implementation of a mathematical escape room with important principles to incorporate in escape rooms to help students persevere in problem solving.

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Francis (Skip) Fennell, Beth McCord Kobett and Jonathan A. Wray

Student understanding of fractions as numbers, a foundational element of fraction sense and a critical prerequisite of work with operations, is explored through real-world connections.

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Jenny Salls

Gain insight into students' understanding of the concept of fraction as operator as well as their reliance on rote procedures to convert fractions to decimals.

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Amy E. Hunter, Sarah B. Bush and Karen Karp

Consider this research-based intervention approach to ratio using concrete, semiconcrete, and abstract representations to help students who struggle with this concept.

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Alfinio Flores and Melina D. Priewe

Students explore multiplicative comparisons and the meaning of remainders using their own concrete representations, including orange wedges.

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A cartoon that explores how much turkey to serve is coupled with a full-page activity sheet.

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Kyle T. Schultz and Stephen F. Bismarck

A geometric approach using exact square manipulatives can promote an understanding of the algorithm to dismantle radical expressions.

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A cartoon highlighting occupational uses of mathematics is coupled with a full-page activity sheet.

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Wendy P. Ruchti and Cory A. Bennett

Solutions coupled with drawings can illustrate students' understandings or misunderstandings, particularly in the area of proportional reasoning.

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Jessica S. Cohen

Use strip diagrams to model and solve problems requiring proportional reasoning.