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Which decimal is bigger
Age 10 · Maths
Open to everyone until Wednesday, November 18
To keep it, print it while it is open.
To compare two decimals, look at the tenths first, then the hundredths, then the thousandths. 0.3 is bigger than 0.25 because 3 tenths beat 2 tenths, even though 0.25 has more digits.
In the picture
- Three tenths shaded: 0.3
- Two tenths plus five hundredths shaded: 0.25
- The point for 0.3 sits further right on the number line, so 0.3 is the bigger number
Examples
- A ribbon 1.5 m long is longer than one 1.45 m long, because 5 tenths beat 4 tenths.
- A bag of apples weighing 2.3 kg is heavier than one weighing 2.28 kg.
Key takeaways
- Compare place by place from the left: tenths, then hundredths, then thousandths.
- More digits does not mean bigger: 4.71 is bigger than 4.592.
Quiz: Which decimal is bigger (Age 10)
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Which number is bigger: 0.3 or 0.25?
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Which number is bigger: 4.71 or 4.592?
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When you compare two decimals, what should you check first?
The answers, each with its explanation, are in the app. This quiz is free there while the lesson is in the free week.
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