Are these statistical statements sometimes, always or never true? Or it is impossible to say?
Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?
How many possible symmetrical necklaces can you find? How do you know you've found them all?
Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.
How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.
This challenge combines addition, multiplication, perseverance and even proof.
Can you use small coloured cubes to make a 3 by 3 by 3 cube so that each face of the bigger cube contains one of each colour?
Can you explain the surprising results Jo found when she calculated the difference between square numbers?
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
Imagine we have four bags containing a large number of 1s, 4s, 7s and 10s. What numbers can we make?
