AQA · Mathematics · 8300
GCSE Maths: Decimals: ordering
Number · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise and practice questions for Decimals: ordering (Corbettmaths Video 95), and every card links back to the exact page it came from. Practice tests generate fresh variations of these questions, so the numbers change every attempt. Source material © Corbettmaths — used with attribution.
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When ordering decimals, what should you compare first?
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The whole number part (the digits before the decimal point). If those are equal, compare the tenths, then hundredths, and so on.
Arrange from smallest to largest: 3.05, 0.35, 3.5, 0.53
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0.35, 0.53, 3.05, 3.5
Which is the smallest: 0.21, 0.3, 0.24, or 0.207?
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0.207
Arrange from smallest to largest: 0.92, 0.901, 0.99, 0.099, 0.909
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0.099, 0.901, 0.909, 0.92, 0.99
Arrange from largest to smallest: 0.7, 0.609, 0.62
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0.7, 0.62, 0.609
When comparing 0.5 and 0.507, which is larger?
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0.507 is larger (0.507 > 0.5).
What inequality sign (< or >) should go between 0.82 and 0.807?
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0.82 > 0.807 (because 0.820 > 0.807)
Arrange from smallest to largest: 4.2, 0.42, 0.024, 0.93, 0.039
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0.024, 0.039, 0.42, 0.93, 4.2
When converting measurements to order them, why might you need to use the same units?
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Different units cannot be directly compared. For example, to compare kg and grams, convert all to the same unit first.
How do you convert centimetres to metres?
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Divide by 100 (or equivalently, move the decimal point two places to the left).
How do you find the median of a set of numbers?
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Order the numbers from smallest to largest, then find the middle value (or the mean of the two middle values if there's an even count).
In a set of 7 ordered values, which position contains the median?
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The 4th position (the middle value).
When comparing 0.99 m and 1.2 m, which is larger?
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1.2 m is larger (because 1.2 > 0.99 when comparing whole number parts).
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