Playlist: Bookmarks
Letters With Symmetry
Let’s group letters by their symmetry, then create symmetrical words, and then symmetrical sentences!
Updating Old Questions: Pay Raise
For TeachersHow I’d update a low-level, overly engaging math question.
How Many Will There Be? Chip Off The Block
Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.
Special Gifts with Special Requirements
Your special friends sure have some unique gift needs!
Thanksgiving Photo Writing
Starting with an old-timey photo, students will write from a particular item’s point of view.
Fizz Buzz: A Counting and Divisibility Game
Ready for a tricky counting and divisibility game?
Tournament: 8 Wonders of the Solar System
Which location is the most wondrous place in the solar system?
Game: Number Scrabble
What if we played Tic-Tac-Toe with numbers and instead of three-in-a-row, we add up to 15? Well… then we’d have Number Scrabble!
Jotto
Who can guess the codeword first?
Not Like The Others: States of Matter
How is each of the states of matter not like the others?
Numerator or Denominator: Which has more power in a fraction?
What do you do with students who already get their fraction operations? Give them a contrived project about recipes or pizza slices? Make them solve annoyingly hard practice problems? Please. Here, we get students thinking in a whole new way, pondering which has more power, the numerator or denominator.
What’s In My Brain: Trapezoids or Not?
Which are trapezoids and which are not?
Not Like The Others: Planets
Which of these planets is not like others? Well, it sure looks simple at first. But each option could be the one that doesn’t fit in.
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!
Math Curiosity: The Coloring Problem
No video gets me more email from students! How few colors can you use to color in any map so that no two, neighboring regions are the same color?
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 Resiliency Tournament
Your students will set up a tournament to determine which person or character best demonstrated resiliency.
Grouping Quadrilaterals In A Hierarchy
Can we classify quadrilaterals like we classify living things?