Can you sort these triangles into three different families and explain how you did it?
Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?
Can you decide whether these short statistical statements are always, sometimes or never true?
If I tell you two sides of a right-angled triangle, you can easily work out the third. But what if the angle between the two sides is not a right angle?
Which countries have the most naturally athletic populations?
Use your logical-thinking skills to deduce how much Dan's crisps and ice-cream cost altogether.
Each child in Class 3 took four numbers out of the bag. Who had made the highest even number?
