Playlist: Bookmarks
New Uses for a Paperclip
So what are some new ways to use a paperclip?
Evens and Odds – Addition and Subtraction
When we’re adding and subtracting, do evens make odds into evens? Do odds make evens odd? Which one has… more power!?
What If There Were No Hundreds Place?
Imagine a world with no hundreds place. We’d have to call it ten tens instead. But then, what would we call the thousands place? How would we read 9999? What if we added one more?
Paragraphs: Systems of Sentences
Blow up a paragraph into individual sentences. Now reassemble it. The clues hiding in each sentence will surprise you.
Student Introductions With Depth and Frames
Want to introduce the tools of Depth and Complexity and learn more about your students and introduce the Frame graphic organizer? Have I got the activity for you!
Rounding Numbers (But Not To 10)
What could we possibly do to make rounding more interesting for students who already get it? In this series, students consider how they might round to values other than “the nearest 10.” How, for example, do we round to the nearest 9? 7? 15?
Why Is Our Calendar So Weird!?
Why are there 12 months? Why don’t weeks fit into months evenly? Why don’t weeks fit into the year evenly? What’s going on with the calendar!
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?
The Thinking Hats
So… do your students moan when forced to work in a group? Part of the problem is that lack the structure to work well with peers. Edward de Bono’s Thinking Hats are a perfect tool to help with this problem.
Showing A Character’s Trait
We tell students to ‘show, not tell’ — but that advice is useless until they experience the difference. This lesson makes it click.
Math Curiosity: Palindromic Number Conjecture
Using this one weird trick, it seems that you can turn any number into a palindrome!