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Fractions with movie

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Transcript

  • 1. Elk Grove Elementary Lesson on Fractions
  • 2. Good Morning!
  • 3. When Do We Use Fractions?
    • We can use it when we eat pizza!
    • When we are looking at a number of something out of a whole.
    • What are some examples?...
  • 4. What does a Fraction Look Like?
    • Which one is the fraction??
    • There are several names for a number, just as there are several names for a person… Example: Rebecca can also be called Becky.
    • We can refer to ½ as 2/4. These are called EQUIVALENT FRACTIONS.
  • 5. Where is the Numerator and the Denominator?
    • What do you think? Using the fraction ½…
    • Is the number 1 in the fraction the numerator or the denominator??
    • Is the number 2 in the fraction the numerator or the denominator??
  • 6. Top or Bottom?
    • The numerator is the number on top of the fraction.
    • Numerator has a “u” in it and so does “up.”
    • Denominator begins with “D” and so does “down.”
    • The 1 in the fraction ½ is the NUMERATOR.
    • The 2 in the fraction ½ is the DENOMINATOR.
  • 7. As a Fraction, How Do We Write the Shaded Parts?
    • The NUMERATOR is the number that tells what part of a whole is shaded in.
    • The DENOMINATOR is the number that tells the total of equal parts.
    • For example, in one triangle, 1/3 of the triangle is shaded pink.
  • 8. FRACTIONS!!