Dividing with Fractions
1/2 ÷ 2
1/4
2 x .2
.4
2x = 5
5/2
What are the three ways to write ratios?
:
to
Fraction
What is zero times 100?
0
1/2 ÷ 1/3
3/2
10 x .6
6
x/5 = 12
60
The ratio of boys to girls is 2:3
If there are 8 boys in the class, how many girls are in the class?
12
What has to break in order for you to use it?
An Egg!
5/6 ÷ 7/9
45/42
.04 x 3
.12
4x = 1/2
1/8
What are two equivalent ratios to 4:5?
8:10
12:15
Where can you find cities, towns, shop and streets, but no people?
A map!
1/4 ÷ 1/3
3/4
.04 * .002
.00008
5x = 1/3
1/15
Jimmy ran 20 miles in 5 hours.
How far would Jimmy run in 7 hours?
He goes 4 miles per hour.
Multiply by 7.
28 Miles.
If I ate 4 hot dogs in 2 minutes, how many hot dogs could I eat in 2 hours?
120 minutes in two hours.
2 hot dogs per minute.
240 hot dogs.
2 1/2 ÷ 2/3
15/4
or
3 and 3/4
.04 x .05
.002
x/8 = 3/2
12
Jimmy ran 36 miles in 3 hours.
How far would Jimmy run in 10 hours?
12 miles per hour.
Times ten hours.
120 miles
If I ate 50 hamburgers in 1 minute, how many hot dogs could I eat in 2 hours?
120 minutes in 2 hours.
Times 50.
6000 hamburgers.
(I was hungry)