Playlist: 4th Math
Contig
Roll three dice and combine them using any mathematical operation. But be strategic to maximize your points!
What’s In My Brain: Paperclip vs Straw
Two columns. One is an example, one isn’t. Can you figure out the hidden rule before the big reveal?
What’s In My Brain: Pentagon vs Pentagon
We’re looking at regular vs irregular polygons.
Factors and Codes (Episode 1)
Let’s use factors to encode and decode words.
Create Your Own Operation
The commutative and associative properties are a whole lot more interesting when you apply them to a mathematical operation that you created!
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?
How Many Ways: Times Equals Times
How many different ways can you make this math statement true using only the digits one through nine?
Writing A Story About Fraction Equivalence
When fractions take on a new denominator, it’s as if they’re wearing a disguise – same value, new look. So let’s write a story about fraction equivalence starring a fraction who needs to fit in with a new group.
Undoing Multiplication With Division
Multiplication and division, natural foes, are constantly seeking to undo each other. Students will attempt to reverse the effects of multiplication by dividing once, twice, or even thrice!