Have you ever tried to make a paper box? It’s a challenge to design, but fun to make with this easy template. And if you teach math, you can use the discussion questions in your lesson! Continue Reading →
How to Make a Paper Box – Free Download!
Category Archives: Geometry
Facebook Violations – Doing the Math
It seems like Facebook has a lot of rules. And you can use these to teach area and percentages – both aligned with the Common Core State Standards! Continue Reading →
Pi Day Videos – Song & Limerick
As a special Pi Day treat, I share my way to remember pi to 5 decimal places: a Pi Limerick! (Oh, and a video by Vi Hart – who has a beautiful voice!) Continue Reading →
The Geometry behind Folding Fitted Sheets
I’m obsessed with folding fitted sheets. Maybe that’s because there’s so much geometry in it. After all I fitted sheet is a concave irregular dodecagon! Continue Reading →
Geometry and Fractions for Breakfast
Check out how you can make a really cool breakfast treat and reinforce the concepts of geometry as well as fractions with your children. Continue Reading →
Math with the Short Order Dad – And His Handy-Pal Pan Scraper!
The Short Order Dad uses the Handy-Pal Pan Scraper as a business card. It’s a square with rounded corners – each with a different radius! Continue Reading →
Area of a Circle vs. Area of a Triangle
This is a neat way to look at how a circle can relate to a triangle – it’s less of a proof and more of an inspiration to think. Continue Reading →
Area of a Right Triangle
Calculating the area of a right triangle includes remembering the formula, and doing the arithmetic correctly. Here’s a short video demonstrating it. Continue Reading →
Seeing Rectangles in Rapunzel's Hair
I would never have seen this rectangle – but K8 noticed it! Continue Reading →
Ellipse vs. Ellipsis – And Other Similar Math & English Words
Ever wonder why math has an ellipse (oval) and English has ellipsis (…)? Me too! Continue Reading →