This collection of tasks is part of the activities for 11-14 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 7-11 year olds, and Print it Out for 14-16 year olds.
problem
Crossed ends
Age
11 to 14
Challenge level
Crosses can be drawn on number grids of various sizes. What do you notice when you add opposite ends?
problem
Completing quadrilaterals
Age
11 to 14
Challenge level
We started drawing some quadrilaterals - can you complete them?
problem
Multiples Sudoku
Age
11 to 14
Challenge level
Each clue in this Sudoku is the product of the two numbers in adjacent cells.
problem
Triangles in a square
Age
11 to 14
Challenge level
What are the possible areas of triangles drawn in a square?
problem
Shady symmetry
Age
11 to 14
Challenge level
How many different symmetrical shapes can you make by shading triangles or squares?