8-10 Multiplying by a Fraction
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8-10 Multiplying by a Fraction

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8-10 Multiplying by a Fraction Presentation Transcript

  • 1. 8-10 Multiplying by a Fraction Math Notes Number Sense 2.4
  • 2. Example 12 x 3 =3 4
  • 3. Example 1STEP ONE: Multiply the numerators. 2 x 3 = 3 4
  • 4. Example 1STEP ONE: Multiply the numerators. 2 x 3 = 6 3 4
  • 5. Example 1STEP ONE: Multiply the numerators. 2 x 3 = 6 3 4STEP TWO: Multiply the denominators.
  • 6. Example 1STEP ONE: Multiply the numerators. 2 x 3 = 6 3 4 12STEP TWO: Multiply the denominators.
  • 7. Example 1STEP ONE: Multiply the numerators. 2 x 3 = 6 3 4 12STEP TWO: Multiply the denominators.STEP THREE: Simplify the products.
  • 8. Example 1STEP ONE: Multiply the numerators. 2 x 3 = 6 ÷6 3 4 12 ÷6STEP TWO: Multiply the denominators.STEP THREE: Simplify the products.
  • 9. Example 1STEP ONE: Multiply the numerators. 2 x 3 = 6 ÷6 1 3 4 12 ÷6 2STEP TWO: Multiply the denominators.STEP THREE: Simplify the products.
  • 10. Example 1STEP ONE: Multiply the numerators. 2 x 3 = 6 ÷6 1 3 4 12 ÷6 2STEP TWO: Multiply the denominators.STEP THREE: Simplify the products.
  • 11. Example 22 x53
  • 12. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 3
  • 13. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 3 1
  • 14. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 3 1 STEP TWO: Multiply the numerators.
  • 15. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 10 3 1 STEP TWO: Multiply the numerators.
  • 16. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 10 3 1 STEP TWO: Multiply the numerators.STEP THREE: Multiply the denominators.
  • 17. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 10 3 1 3 STEP TWO: Multiply the numerators.STEP THREE: Multiply the denominators.
  • 18. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 10 3 1 3 STEP TWO: Multiply the numerators.STEP THREE: Multiply the denominators.STEP FOUR: Change the improper fraction into a mixed number.
  • 19. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 10 3 1 3 STEP TWO: Multiply the numerators.STEP THREE: Multiply the denominators.STEP FOUR: Change the improper fraction into a mixed number.
  • 20. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 10 3 3 r1 3 1 10 3 9 1 STEP TWO: Multiply the numerators.STEP THREE: Multiply the denominators.STEP FOUR: Change the improper fraction into a mixed number.
  • 21. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 10 3 1 3 STEP TWO: Multiply the numerators.STEP THREE: Multiply the denominators.STEP FOUR: Change the improper fraction into a mixed number.
  • 22. Example 2STEP ONE: Make the whole number into a fraction bymaking it the numerator. The denominator becomes 1. 2 x5 3 1 10 3 STEP TWO: Multiply the numerators. 3 1 3STEP THREE: Multiply the denominators.STEP FOUR: Change the improper fraction into a mixed number.
  • 23. Example 35 x 6 =6 5
  • 24. Example 3STEP ONE: Multiply the numerators.5 x 6 =6 5
  • 25. Example 3STEP ONE: Multiply the numerators.5 x 6 = 306 5
  • 26. Example 3STEP ONE: Multiply the numerators.5 x 6 = 306 5STEP TWO: Multiply the denominators.
  • 27. Example 3STEP ONE: Multiply the numerators.5 x 6 = 306 5 30STEP TWO: Multiply the denominators.
  • 28. Example 3STEP ONE: Multiply the numerators.5 x 6 = 306 5 30STEP TWO: Multiply the denominators.STEP THREE: Whenever the numeratorand the denominator are the same, it equals ONE WHOLE, ( 1 )
  • 29. Example 3STEP ONE: Multiply the numerators.5 x 6 = 306 5 30STEP TWO: Multiply the denominators. 1STEP THREE: Whenever the numeratorand the denominator are the same, it equals ONE WHOLE, ( 1 )
  • 30. Example 3STEP ONE: Multiply the numerators.5 x 6 = 306 5 30STEP TWO: Multiply the denominators. 1STEP THREE: Whenever the numeratorand the denominator are the same, it equals ONE WHOLE, ( 1 )