Slide 1

Dividing fractions 3434 1212 Slide 2 When dividing fractions, you have to ask yourself, How many 1/8s are in ? 1/8 1/8 = 2 Slide 3 Two paper plates are cut into four equal pieces each. How many s are in 2 plates? 8 What is 2 ? 8 What is 2 4? 8 What is true about 2 and 2 4 ? They are the same! Slide 4 There is a mathematical short-cut for dividing fractions. The first fraction is MULTIPLIED by the RECIPROCAL of the second fraction. Reciprocal 1 4 4141 2525 5252 34 = 3434 x 2 1 12 = 3232 = 1 1212 2 1 Slide 5 8989 2323 = 8989 x 3232 = 4343 = 1313 1 1313 8 15 = 1313 x 8 = 5858 1 3 1 4 1 5 Slide 6 Multiplying fractions aint no problem Find the product of the top And the product of the bottom Dividing fractions easy as pie, Reciprocate the second and multiply! Slide 7 3 4 1 1 2 1 Slide 8 Dot-to-Dot WS DO YOUR BEST!!!!! Slide 9 Slide 10 Slide 11 Slide 12 Slide 13 Slide 14 Partner Practice