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Math 50
6.1 – Decimals and Rational Numbers
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Decimal notation is just a different way to write fractions.
ex: (read: “four and ninety-one hundredths”)
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3 9 4 1 . 5 0 7 8 2
Thousands
Hundreds
Tens
Ones
Tenths
Hundredths
Thousandths
Ten thousandths
HundredThousandths
Decimals have fractional place values (the “-ths”). Here are the place values of 3941.50782:
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3941.50782 is read:“three thousand nine hundred forty oneandfifty thousand seven hundred eighty two hundred thousandths”
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Ex 1.Write the word name. three hundred forty one hundred thousandths eighty two and three thousand ninety two ten thousandths
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Ex 1.Write the word name. three hundred forty one millionths eighty two and three thousand ninety two ten thousandths
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Ex 1.Write the word name. three hundred forty one millionths eighty two and three thousand ninety two hundred thousandths
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Ex 2.Write as a fraction or mixed number in lowest terms.
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Ex 3.Graph on a number line.
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Ex 4.Use to write a true statement.
Comparing
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Ex 4.Use to write a true statement.
Comparing
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Ex 4.Use to write a true statement.
Comparing
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Ex 4.Use to write a true statement.
Comparing
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Ex 4.Use to write a true statement.
Comparing
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Ex 5.Round to the specified place. Tenths Hundredths
Thousandths Ten-thousandths
Rounding
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Ex 5.Round to the specified place. Tenths Hundredths
Thousandths Ten-thousandths
Rounding
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Ex 5.Round to the specified place. Tenths Hundredths
Thousandths Ten-thousandths
Rounding
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Ex 5.Round to the specified place. Tenths Hundredths
Thousandths Ten-thousandths
Rounding
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Ex 5.Round to the specified place. Tenths Hundredths
Thousandths Ten-thousandths
Rounding
