DECIMAL READING

• Reading decimal numbers


  1. Start from the left to the right

  2. Use the place value chart

  3. Read the decimal from left to right as if reading a whole number

  4. Follow the place value name of the rightmost digit

  5. Read the decimal point as "and"
• Reading money amounts


  Use "pesos" and "centavos" instead of place value names
• Writing decimal numbers in standard form


  1. Write the digits before the decimal point

  2. Write the digits after the decimal point
• Writing decimal numbers in word form


  1. Write the whole number part

  2. Use "and" for the decimal part

  3. Use the correct place value name and spelling

  4. Use hyphens for compound numbers
• Writing decimal numbers in word form


  • 3.89 - "three and eighty-nine hundredths"
  • 112.967 - "one hundred twelve and nine hundred sixty-seven thousandths"
  • 5.7 - "five and seven tenths"
  • 1067.24 - "one thousand sixty-seven and twenty-four thousandths"
• Converting word form to standard form


  1. The part before "and" goes before the decimal point

  2. The part after "and" goes after the decimal point, using the correct place value
• Converting word form to standard form


  • Five hundred and sixty-five hundredths -> 500.65
  • Seven and eight thousands -> 7.008
  • One and six hundred fourteen thousands -> 1.614
• When writing decimals in word form, it's important to think "first name last name"
• Steps to write decimals in word form


  1. Read the number as is for the first name

  2. Identify where the decimal ends for the last name
• First name


  The number portion before the decimal
• Last name


  The place value where the decimal ends
• Example 1


  • 75 hundredths
  • 75 thousandths
• Example 2


  • 9 tenths
• Writing decimals with whole numbers


  1. Start with the whole number

  2. Use the word "and" to separate the whole number from the decimal portion

  3. Apply first name last name
• Example 3


  • 15 and 42 hundredths
• Example 4


  • 3 and 207 thousandths