Which decimal number is greater?
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Which decimal number is greater?
Let's convert the decimal numbers into simple fractions and compare them:
0.15 is divided by 100 because there are two digits after the decimal point, therefore:
0.2 is divided by 10 because there is only one digit after the decimal point, therefore.:
Let's finally compare the numbers in the denominator to determine our answer:
Therefore, the larger number is 0.15.
Which decimal number is greater?
More digits after the decimal point doesn't mean a larger number! Think of it like money: 0.15 (15 cents), even though 15 has more digits than 2.
Add trailing zeros to make the same number of decimal places. Compare 0.20 vs 0.15 instead of 0.2 vs 0.15. Now you can see that 20 hundredths > 15 hundredths!
Not always! Converting to fractions works well, but aligning place values is usually faster. Use whichever method feels more comfortable to you.
No problem! Just add zeros to the shorter decimal. For example: 0.7 vs 0.603 becomes 0.700 vs 0.603, making comparison much clearer.
Absolutely! Plot both numbers on a number line. The number further to the right is always larger. This visual method helps build intuition about decimal size.
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