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## People, Place, and Population Predictions

Two high school algebra teachers and their students focused on examining population trends affected by the creation of a highway though a thriving African American community.

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## Sibling Longevity

We explore the statistical likelihood of one, or more, siblings in a family of nine surviving to 100 years of age.

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## Using School Mathematics to Develop Students’ Data Literacy Skills

To be literate in a society where the information shared online is often exploited, learners should be exposed to multiple aspects of contemporary predictive modeling. Explore a lesson in which students learned an algorithm used in practice to automate the process of making recommendations.

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## Pandemic Outbreak Modeling with a Spreadsheet

Inspired by epidemic curves, this class developed a spreadsheet model of an epidemic to compare outcomes with and without protective measures.

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## Introducing Grade 3 Students to Digital Data Exploration

Bar graphs are fundamental to display distributions of categorical variables in primary school. Here is an approach using TinkerPlots™ to create bar graphs on different representation levels in small and large data sets.

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## Exploring Relative Size with Relative Risk

The Relative Risk Tool web app allows students to compare risks relating to COVID-19 with other more familiar risks, to make multiplicative comparisons, and to interpret them.

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## Mathematical Modeling as a Tool for Empowerment

Ear to the Ground features voices from several corners of the mathematics education world.

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## Using CODAP to Grow Students’ Probabilistic Reasoning

Draw on two simulations to introduce compound events and help your class make connections between experimental and theoretical probabilities.

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## Teaching Word-Problem Solving through Tape Diagrams

Get familiar with this visual instructional tool to help students make sense of mathematical relationships and select suitable operations for word problems at varied grade levels.

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## Math, Will You Be My Valentine?

February is considered the love month. Wondering how this got started? There are many theories. Valentine’s Day itself may have resulted from a poem by the English poet Geoffrey Chaucer in 1375 titled “Parliament of Foules." Let’s focus on the meaning of love as a verb: to hold dear, take pleasure in, or thrive in (Merriam-Webster, n.d.). Sadly, far too few students love mathematics and instead feel anxiety or other negative emotions. We must do better. In this month of love, let’s focus on ways we can ensure that each and every child has the opportunities to