Playlist: Hansen 1st enrichment
Adding and Subtracting Fruit
Use super cute fruit to introduce algebraic thinking to your young math students.
Writing Compound Sentences
Students work with subjects, predicates, and conjunctions to write compound sentences.
Drawing A 3D Staircase
This optical illusion looks like a 3D staircase, but it’s all drawn on a plain piece of paper.
Tournament of Not-So-Famous Inventors
Which inventor and invention will win the tournament?
Domesticated Animals Tournament
Which domesticated animal will win the tournament?
Natural Disasters Tournament
Earthquake vs. hurricane. Tsunami vs. wildfire. Students set the criteria, argue their case, and crown a champion. Warning: it gets heated.
Math Curiosity: Magic Triangles
Can you make each side of this triangle add up to 9 using the digits 1-6?
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.
Categorize and Re-Categorize Animals
Put these animals into groups. Then do it again. Then… do it one more time. How does re-re-grouping the same creatures reveal new patterns and give new insights?
Drawing An Impossible Triangle
Here’s how you can draw The Penrose Triangle, an example of an impossible shape.
Animal Adaptation Tournament
Which animal has the most interesting, most valuable, or strangest adaptations?
Cram
Try this a simple (but surprisingly strategic) grid-filling game!
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!
Math Game: Heaps
Try this a simple (but surprisingly strategic) subtraction game!
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!?
Complex or Compound – What’s In My Brain
Can your class spot the complex sentences vs compound sentences?
Parts of Speech Party – Limit
How many different ways can we use the word “limit”? Let’s find out in this Parts of Speech Party!
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?
The Game of 100
Who can get to 100 first in this simple, but delightful, math game?