Teaching Radicals in Less Than Five Minutes

This article describes an approach designed to decrease math anxiety and teach students about the use of mathematical symbols simplifying radicals. A deck of cards is used in a demonstration, and a problem set using real life examples to master the... (View More) (View Less)

Keywords: Radicals; Roots

Audience: High school, Higher education
Materials Cost: 1 cent - $1 per group of students

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Earth Science

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Earth, Earth's Moon and Mars Balloons

This is an activity about planetary sizes and distances. Learners will construct a scale model of the Earth, Earth’s Moon and Mars in relation to each other using balloons. They will use this model to predict distances and reflect on how... (View More) (View Less)

Keywords: Scale models; Solar system scale distance

Audience: Elementary school, Middle school
Materials Cost: 1 cent - $1 per group of students

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Planetary Science

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