Take three consecutive numbers and add them together. What do you notice?
Watch the video of this game being played. Can you work out the rules? Which dice totals are good to get, and why?
Use the interactivity to move Pat. Can you reproduce the graphs and tell their story?
This problem challenges you to sketch curves with different properties.
Can you spot the mistake in this video? How would you work out the answer to this calculation?
Try out this number trick. What happens with different starting numbers? What do you notice?
The Number Jumbler can always work out your chosen symbol. Can you work out how?
In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?
Here is a selection of different shapes. Can you work out which ones are triangles, and why?
Can you sketch triangles that fit in the cells in this grid? Which ones are impossible? How do you know?
