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Reading and Writing Decimals

Reading and Writing Decimals. What are decimals?. Decimal numbers are numbers that represent part of a whole, or numbers that are less than 1 but greater than 0. We use a decimal point to separate the whole-number places from the places less than one. 6.95. Less than one. Greater than one.

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Reading and Writing Decimals

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  1. Reading and Writing Decimals

  2. What are decimals? • Decimal numbers are numbers that represent part of a whole, or numbers that are less than 1 but greater than 0. • We use a decimal point to separate the whole-number places from the places less than one. 6.95 Less than one Greater than one Decimal point

  3. Reading Decimals

  4. How do you read decimals? • Step 1: Read the whole number part, if there is one • Step 2: Read the decimal point as and

  5. Step 3: Pretend the rest of the digits form a whole number • Step 4: Say the place value of the last digit

  6. Decimal Place Values Tens Ones Tenths Hundredths Millionths Thousandths Ten Millionths Ten Thousandths Hundred Thousandths

  7. Examples of reading decimals Whole Number: thirty-seven Decimal point: and Last digits as a whole number: twenty-six Place value of last digit: hundredths

  8. Examples of reading decimals • 26.45 • Twenty-six and forty-five hundredths • 10.021 • Ten and twenty-one thousandths • 15.9908 • Fifteen and nine thousand, nine hundred eight ten thousandths

  9. Writing Decimals

  10. Examples of writing decimals • Ten and two hundredths • 10.02 • Nineteen and five tenths • 19.5 • Twenty and two hundred thousandths • 20.200

  11. Examples of writing decimals • Thirty-two and twenty-eight thousandths • 32.028 • Ninety-nine and eighty-two ten millionths • 99.0000082 • Fourteen and five hundred seventy-five hundred thousandths • 14.00575

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