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Improper fractions, mixed-numbers.

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Improper fractions, mixed-numbers.

  1. 1. FRACTIONS 1
  2. 2. VOCABULARY • Fraction- a number that describes part of a whole or part of a set. • Numerator- top number of a fraction that tells how many parts of the whole or set you have. 2
  3. 3. VOCABULARY • Denominator - bottom number of a fraction that tells how many equal parts there are in the whole or set. • Proper fraction - little number on top(numerator); big number on bottom(denominator). Numerator < Denominator 3
  4. 4. VOCABULARY • Improper fraction – a fraction with a value greater than or equal to 1. Numerator > Denominator Numerator = Denominator • Mixed number - a whole number and a fraction together. 4
  5. 5. 5 8 numerator denominator 5 equal parts shaded 8 equal parts in the whole 5
  6. 6. PROPER FRACTIONS small 2 3 large 3 4 6 9 6
  7. 7. IMPROPER FRACTIONS large 5 4 small 6 3 9 5 7
  8. 8. MIXED NUMBERS fraction 1 7 4 whole number 2 5 3 3 1 5 8
  9. 9. 9
  10. 10. 1 1 4 10
  11. 11. 5 4 11
  12. 12. To express a mixed number as an improper fraction, first multiply the whole number by the denominator and add the numerator. Then write this sum over the denominator. 12
  13. 13. 2 1 2 = 2x2+1 2 = 5 2 13
  14. 14. 8 3 2 2 3 2 2 3 14
  15. 15. To express an improper fraction as a mixed number, divide the denominator into the numerator. 15
  16. 16. 2 8 =3 8 3 -6 2 2 3 2 16
  17. 17. Express the mixed number as an improper fraction. 16 1 3x5+1 = 3 = 5 5 5 17
  18. 18. Express the mixed number as an improper fraction. 53 8 5x9+8 = 5 = 9 9 9 18
  19. 19. Express the improper fraction as a mixed number. 6 19 1 = 3 19 = 6 3 3 -18 1 19
  20. 20. Express the improper fraction as a mixed number. 3 23 5 = 6 23 = 3 6 6 -18 5 20
  21. 21. Express the improper fraction as a whole number. 4 32 = 8 32 = 8 -32 4 0 21

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