Exploring and noticing
-
-
problemFavouriteStar Polygons
Draw some stars and measure the angles at their points. Can you find and prove a result about their sum?
-
problemFavouriteThink of Two Numbers
Think of two whole numbers under 10, and follow the steps. I can work out both your numbers very quickly. How?
-
problemFavouriteFarey Sequences
There are lots of ideas to explore in these sequences of ordered fractions.
-
problemFavouriteShear Magic
Explore the area of families of parallelograms and triangles. Can you find rules to work out the areas?
-
problemFavouriteOn the Edge
If you move the tiles around, can you make squares with different coloured edges?
-
problemFavouriteSending a Parcel
What is the greatest volume you can get for a rectangular (cuboid) parcel if the maximum combined length and girth are 2 metres?
-
problemFavouriteSquare Coordinates
A tilted square is a square with no horizontal sides. Can you devise a general instruction for the construction of a square when you are given just one of its sides?
-
problemFavouriteStars
Can you work out what step size to take to ensure you visit all the dots on the circle?
-
problemFavouriteSubtended Angles
What is the relationship between the angle at the centre and the angles at the circumference, for angles which stand on the same arc? Can you prove it?