Imagine flipping a coin a number of times. Can you work out the probability you will get a head on at least one of the flips?
Can you recreate squares and rhombuses if you are only given a side or a diagonal?
Can you find rectangles where the value of the area is the same as the value of the perimeter?
Seven balls are shaken. You win if the two blue balls end up touching. What is the probability of winning?
Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the dot affects the distance it travels at each stage.
Can you guess the colours of the 10 marbles in the bag? Can you develop an effective strategy for reaching 1000 points in the least number of rounds?
Can you work out the side length of a square that just touches the hypotenuse of a right angled triangle?
Let's suppose that you are going to have a magazine which has 16 pages of A5 size. Can you find some different ways to make these pages? Investigate the pattern for each if you number the pages.
Have a go at creating these images based on circles. What do you notice about the areas of the different sections?
Watch the video to see how Charlie works out the sum. Can you adapt his method?
