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Playlist: Bookmarks

A Lunar Survival Mission

A Lunar Survival Mission

A favorite of mine! This task is delightfully complex and ambiguous, forcing students to make choices without enough information and with no right answer. How will they survive on the moon for three days?

Math Curiosity: Magic Squares

Math Curiosity: Magic Squares

Imagine a 3×3 square in which every row, column, and diagonal have the same sum. That’s a magic square!

Place Value (Beyond Base 10)

Place Value (Beyond Base 10)

Place value is something we cover in elementary school. It seems simple, but I’d wager that very few adults really understand the topic. I sure didn’t until I worked with non-base-10 number systems in college. Your students can get a taste of this mind-boggling experience by imagining what it would be like if we didn’t have the number 9. What would each digit represent then?

Doubling Dollars

Doubling Dollars

Say you have a dollar. Say you can double that dollar each day: $1, $2, $4, and so on. How long will it take to reach… one million dollars? Not as long as you might think!

Improving Presentations 3: The Storyboard and Slides

Improving Presentations 3: The Storyboard and Slides

It’s time to turn that outline into a storyboard and then some actual slides.

Exploring Circumference With Famous Circles

Exploring Circumference With Famous Circles

Let’s find how the diameter and circumference of famous circles are related.

Characters’ Talents and Multiple Intelligences

Characters’ Talents and Multiple Intelligences

How do characters from novels line up with Gardner’s Multiple Intelligences?

Create A Creature

Create A Creature

Create a new creature based on the adaptations of existing creatures from the same biome.