GCSE Secondary Maths Age 13-17 - Number: Decimals - Explained

The video tutorial covers Question 2, which is worth two marks and requires no method explanation. The focus is on correctly placing the decimal point in the answer, using the multiplication fact 5.4 times 36 equals 194.4. The tutorial explains that the answer should have the digits 1944, and the decimal point placement is determined by the number of decimal places in the factors. Part two involves multiplying by 100, requiring a shift of the decimal point. The tutorial emphasizes the importance of understanding decimal placement for correct answers.

What is the relationship between the numbers 5.4 and 36 in the problem?

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What is the significance of the digits 1944 in the context of the problem?

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How do you determine the placement of the decimal point in the answer?

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Explain why the answer must be a little bit more than 15.

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What does multiplying by 100 imply for the decimal point's position?

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