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Introduction to Fractions let’s review the basics…

Introduction to Fractions let’s review the basics…. A Fraction is a part of a whole. Fractions are Written like this:. 3. = the number of parts. 4. = the total number of parts that equal a whole. Terms of a Fraction. 3. = numerator. 4. = denominator. Which number is circled?. 3. 4.

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Introduction to Fractions let’s review the basics…

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  1. Introduction to Fractionslet’s review the basics…

  2. A Fraction is a part of a whole.

  3. Fractions are Written like this: 3 = the number of parts 4 = the total number of parts that equal a whole

  4. Terms of a Fraction 3 = numerator 4 = denominator

  5. Which number is circled? 3 4 = denominator

  6. Which number is circled? 3 =numerator 4

  7. What fraction of the musical instruments have strings? 2 5

  8. What fraction of the fish have stripes? 3 3 5 5

  9. What fraction of the arrowshit the bulls eye? 1 3

  10. What fraction of the pins areknocked down? 3 10

  11. Equivalent FractionsFractions that look different, but represent the same amount.

  12. Equivalent Fractions All of these fractions represent the same amount. We usually answer using the simplest fraction, this is called simplifying or reducing the fraction.

  13. Simplifying Fractions Try dividing both the top and bottom of the fraction until you can’t go any further (try dividing by 2, 3, 4, 7…)

  14. Simplifying Fractions Try dividing both the top and bottom of the fraction until you can’t go any further (try dividing by 2, 3, 4, 7…)

  15. Practice Questions • Simplify the above fractions.

  16. Practice Questions

  17. Simplify the above fractions. EXIT CARD Questions

  18. Mixed Fractions A whole number and a fraction combined.

  19. Improper Fraction When the numerator is larger than or equal to the denominator

  20. Adding Fractions You can add fractions easily if the denominator is the same. Remember to always simplify your answer

  21. Adding Fractions What happens when the denominators aren’t the same?

  22. Adding Fractions Remember, what you do to the bottom you must do to the top!

  23. Adding Fractions Step 1: Common Denominator Step 2: Add the Numerators Step 3: Simplify the Answer

  24. Is this statement correct? Explain why you think it is or is not. • Explain how to expand the fraction ½ into a fraction with 12 as a denominator. EXIT CARD Questions

  25. Subtracting Fractions What happens when the denominators aren’t the same?

  26. Subtracting Fractions You can subtract fractions easily once the denominator is the same. Remember to always simplify your answer 1/3

  27. Subtracting Fractions Step 1: Common Denominator Step 2: Subtract Numerators Step 3: Simplify the Answer

  28. Adding/Subtracting Mixed Fractions Step 1: Improper Fraction Step 2: Common Denominator Step 3: Add/Subtract Numerator Step 4: Answer with Simplified Mixed Fraction

  29. EXIT CARD Questions • Solve: • 1. 3 1/7 – 2 1/3 • 2. 11/4 + 32/14

  30. EXIT CARD Questions

  31. EXIT CARD Questions

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