Math: Elementary School: Grades 3, 4 and 5 Quiz - Decimal Numbers 2 (Answers)
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Decimal numbers are those that are smaller than a unit and are written after a decimal point. Decimal numbers are an alternative way of writing fractions. A quarter of a pizza written as a fraction would be 1⁄4, but written as a decimal would be 0.25. 0.25 is a decimal with two places - the 2 represents 2 tenths and the 5 is 5 hundredths.
Can you tell the difference between tenths and hundredths? See how well you understand decimal numbers by playing this quiz.
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In decimals the first column after the units is tenths and the second column is hundredths
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Remember - tenths, hundredths, thoudandths
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Forty two hundredths is equivalent to four tenths and two hundredths
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the numbers are going up by 0.02, or 2⁄100 every time
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Just like 357 + 3 = 360
3.57 + 0.03 = 3.6 |
Just like 7 - 5 = 2
0.07 - 0.05 = 0.02 |
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1⁄100 is less than 2⁄100, 12⁄100 and 102⁄100
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35⁄100 is larger than 30⁄100, 5⁄100 or 3⁄100
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There are ten hundredths in a tenth so half of one tenth is 5 hundredths
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There are 10mm in 1cm therefore we multiply by 10 to find the answer
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