Stage 3 and 4 Toughnuts

An Appearing Act

Stage: 3 and 4

Cut out and reassemble the pieces. Can you explain what happens?

Maxagon

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

What's the greatest number of sides a polygon on a dotty grid could have?

Drawing Squares

Stage: 3 and 4

Take a look at the video showing squares drawn on dotty grids...

More Pebbleslive

Stage: 2 and 3 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Have a go at this 3D extension to the Pebbles problem.

Auditorium Stepslive

Stage: 2 and 3 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

What is the shape of wrapping paper that you would need to completely wrap this model?

So It's Times!live

Stage: 2 and 3 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

How will you decide which way of flipping over and/or turning the grid will give you the highest total?