Playlist: 5th Grade GATE

Shrinking A Summary

Can your students shrink a whole story down to one sentence? Every cut reveals what is truly essential.

How Many Ways: Multiply to 9

Fill in the blanks so two decimals multiply to exactly 9.

Rebus Puzzles

Parabolic Curve Art

Create mathematical art with curves that, well, aren’t curvy.

Looping Grid Art

Pick a few numbers, draw some corresponding lines on grid paper, and you’ll end up with some interesting, looping math-y art!

An Escher-Style Tessellation Project

Create a piece of repeating art in the style of MC Escher!

Parentheses: How big of a change can they make!?

Two tiny parentheses. One expression. How big of a change can they make? Bigger than you think.

Calculators, Patterns, and Multiplying By Decimals

Before teaching students the procedure for multiplying with decimals, how much can they intuitively glean from a structured play session with calculators?

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?

Fraction Puzzlers: Add and Subtract Fractions To Reach A Number

You only have six digits to form three fractions. Can you combine them to get to 0?