Sticky numbers
Can you arrange the numbers 1 to 17 in a row so that each adjacent pair adds up to a square number?
Can you arrange the numbers 1 to 17 in a row so that each adjacent pair adds up to a square number?
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?
Engage in a little mathematical detective work to see if you can spot the fakes.
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
Can you deduce which Olympic athletics events are represented by the graphs?
15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?
Charlie has made a Magic V. Can you use his example to make some more? And how about Magic Ls, Ns and Ws?