Show:
Fraction x Fraction
Fraction x Whole
Simplify Fractions
Storytime
Mystery Box
100
3/4 x 5/6 =
15/24 or 5/8
100
1/3 x 4 =
4/3 or 1  1/3
100
Simplify 4/12
4/12 = 1/3
100

A dime is 1/2 inch wide. If you put 5 dimes end to end, how long would they be from beginning to end?

1/2 x 5 = 5/2 or 2 1/2 inches
100
Write a strategy to simplify an improper fraction.
Use long division
200
4/5 x 6/8 =
24/40 or 3/5
200
2/5 x 7 =
14/5 or 2  4/5
200
Simplify 5/20
5/20 = 1/4
200

3/4 of a pan of brownies was sitting on the counter. You decided to eat 1/3 of the brownies in the pan. How much of the whole pan of brownies did you eat?

3/4 x 1/3 = 3/12 or 1/4
200
What are 2 strategies to multiply a fraction by a fraction?
1. multiply across

2. cross multiply

300
3/2 x 5/10 =
15/20 or 3/4
300
12/23 x 5 =
60/23 or 2  14/23
300
Simplify 8/36
8/36 = 2/9
300

Five friends buy a package of 12 cookies and want to share them equally. Each friend will get 1/5 of the cookies. How much will each friend get?

1/5 x 12 = 12/5 or 2 2/5 of the package of cookies
300
Name 1 of the 2 strategies to simplify a proper fraction.

1. Divide both the numerator and denominator by their GCF

OR

2. find the prime factors of both the numerator and denominator, cross off common factors, and reorganize

400
12/15 x 7/3 =
84/45 or 1 39/45
400
5/15 x 9 =
45/15 or 3
400
Simplify 13/5
13/5 = 2  3/5
400

Six Flags Amusement Park has found that 3/5 of its customers ride the Colossus roller coaster. Of these, 1/4 ride it again. What fraction of the customers ride the roller coaster twice?

3/5 x 1/4 = 3/20 of the customers ride twice
400
Use repeated addition to solve 3/8 x 5.
3/8 + 3/8 + 3/8 + 3/8 + 3/8 = 15/8 or 1 7/8
500
6/8 x 8/6 =
48/48 or 1
500
44/62 x 3 = 
132/62 = 66/31 = 2  4/31
500
Simplify 24/3
24/3 = 8
500

Write and solve a real-world problem for 5 x 2/5.

10/5 or 2; stories will vary
500
Use crosshatching to solve 4/8 x 2/3. Then simplify.
8 crossed, out of 24 boxes = 1/3