Session 5: More about Shapes and Numbers

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Yet another interesting exercise that I truly enjoyed doing. Given the numbers 1, 2, 3, 4, 5, how many different ways will you be able to place these numbers in the boxes, ensuring that they add up equally for both directions? Which number would you choose to put in the middle box? Is it an odd number or an even number? Does it matter? It felt great when I was able to solve this problem. So I challenged myself and tried the numbers 51, 52, 53, 54, 55. It was such a wonderful feeling when you knew you got the hang of it! 🙂

Dr Yeap also mentioned about Dienes Mathematical Variability Principle; in the sense that you have to take into consideration when you are making a choice to include variables for your children. Variables or rather materials need not be identical. When you give children identical materials, children will get the wrong idea that only identical variables can be counted, which is not true. Therefore avoid interfering variable! 🙂

Can you find out which of the things in this world are bundled up in tens? If you know the answers, please let me know! 🙂

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