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8-10 Multiplying by a Fraction

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• 8-10 Multiplying by a Fraction

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