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Construct-o-straws

Make a cube out of straws and have a go at this practical challenge.

Matchsticks

Reasoning about the number of matches needed to build squares that share their sides.

Little Boxes

How many different cuboids can you make when you use four CDs or DVDs? How about using five, then six?

World of Tan 30 - Logical Thinking

Age 7 to 11
Challenge Level

This activity, the last in the World of Tan series, follows on from World of Tan 29 - The Telephone.

Thinking logically is what Little Ming and Little Fung try to do all the time! This is when you solve a problem step by step, checking that each step makes sense. You try different ways of solving the problem, and if one choice doesn't work then you try the next one instead. If you get stuck, think about what you've already tried - what do you still have left to try? Write down all the things that you know already - can you use any of those as a stepping stone to finding a solution?

There are lots of games and activities you can enjoy which will make use of logical thinking. Have a look at other pages on this website for more ideas.

Try to logically construct both of these silhouettes. Does anything surprise you about the similarities and differences in the solutions?



Extra activities:
  • Think about a time when you were trying to solve a problem and you got stuck. How did you get 'un-stuck'? What or who helped you? How?
  • Have a go at the activities in these lists, using sentences like 'I think... because...' to explain your logic to a friend.