Farsley Farfield Class 6S blog

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Abi gets frustrated multiplying and dividing by 10, 100 and 1000


Abi in the pit with x  by 10 100 1000

When you multiply by 10, 100, 1000, the number gets bigger. You move it places to the left. When you divide a number by 10, 100, 1000 the number gets smaller. You move it places to the right – sometimes digits have to hop over the decimal point. THE DECIMAL POINT NEVER CHANGES POSITION. The number of places depends upon the number of zeros in the multiple – 1 place for 10, two places for 100, three places for 1000 and so on…

During our work on this, Abi kept making mistakes and getting things wrong. She was moving decimal points around, putting digits in the incorrect place and struggling to see how it all worked. As a result, frustration was building. HOWEVER, she did not give up. She remained calm and with some help from one of her friends she began to understand how things worked. She took herself away and practised until she felt confident with her new found knowledge.


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