Decimal numbers are those that are smaller than a unit and written after a decimal point. Decimal numbers are an alternative way of writing fractions. A quarter written as a fraction would be 1⁄4 but written as a decimal would be 0.25. This KS3 Maths quiz will help you understand multiplying and dividing decimals by the powers of 10, like 10, 100 or 1,000.
When you multiply decimal numbers by 10 all the digits move one place to the left. Divide by 10 and they all move one place to the right. In a similar way, when you multiply decimal numbers by 100 all the digits move two places to the left. Divide by 100 and they all move two places to the right. Remember that rule and you'll soon get to grips with multiplying and dividing decimals.
Multiplying or dividing decimals by 10, 100 or even 1,000 is really quite easy once you get the hang of it. This quiz will help you do just that. Take your time and read each question carefully before submitting your answer. See if you can get 10 out of 10 with the powers of 10 and decimals.
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