What's new

angles posts

Messy measuring Activity

by David Shaw, 17 March 2022 | 0 comments

Green wire laying on a messy grid of lines

Rulers are great at measuring straight lines, but how do you measure a curvy line? Here’s one way, using a wonderfully messy diagram!

Continue reading Messy measuring

Categories:

Blood-splatter by numbers Activity

by David Shaw, 16 February 2018 | 1 comments

A blood spot with measurements for width and length

Blood left at a crime scene can tell you a lot about the events. To rewind the clock and look back in time, you just need a ruler and some trigonometry.

Continue reading Blood-splatter by numbers

Categories:

Pack it in with pentagons News

by David Shaw, 23 January 2018 | 0 comments

Image of a grid, each square is a differrent colour and divided up by different shaped pentagons.

What kinds of shapes pack a flat surface with no gaps? Squares are great for floor tiles, and bees stick hexagons together. With a bit of work, you can get any triangle, no matter how stretched, to fit together without gaps. But what about pentagons? These five-sided shapes are awkward, but some types fit together.

Continue reading Pack it in with pentagons

Categories:

Tessellation explorer Activity

by David Shaw, 28 August 2015 | 0 comments

Arranged around one corner there is a hexagon, square, triangle, square.

Think your bathroom is boring? Try tons of terrific tessellations and show that tiling is styling! Find out more about the maths of tessellation in this hands-on maths activity.

Continue reading Tessellation explorer

Categories: