This collection of tasks is part of the activities for 14-16 year olds section of the Maths At Home feature. To get the most out of the activities below, you'll need to be able to print out a few resources. The stars represent the challenge level, with three stars indicating the most challenging activities.
You may also wish to explore Print it Out for 11-14 year olds, and Print it Out for 16-18 year olds.

Pick's theorem

Of all the areas
Can you find a general rule for finding the areas of equilateral triangles drawn on an isometric grid?

Product Sudoku
The clues for this Sudoku are the product of the numbers in adjacent squares.

LCM Sudoku
Here is a Sudoku with a difference! Use information about lowest common multiples to help you solve it.