1. Fraction Multiplication
And Cancelation

2. Try some.
Multiply the following:

3. Answers
Multiply the following:

4. Reduce before you multiply
Cancelling
Reduce before you multiply

5. Canceling 3 5 x 8 7 x Reducing before mutiplying is called canceling.
ICK! Instead think the following in your head: Is there a factor that divides evenly into a number on the top as well as a number on the bottom? 3 5 x 8 7 x

6. Canceling on paper
Rules: One factor from any numerator cancels with like factor from the denominator.

7. Try one Say “--- goes into ____ this many times.”
As you cross each number out and write what is left after canceling above the number.

8. Answer Say “--- goes into ____ this many times.”
As you cross each number out and write what is left after canceling above the number.

9. Team Pair Solo

10. Puzzled Penguin