Solve:
1/2 * 2/3
2/6
Solve:
1/2 -: 1/2
2/2 or 1
Solve:
sqrt 4
2
Solve: 52
25
Are these two fractions proportional?
1/2 and 4/8
Yes
Solve:
3/4 * 2/3
6/12 or 1/2
Solve:
3/4 -: 4/1
3/16
Solve
sqrt 16
4
Solve: 72
49
Are these two fractions proportional?
3/4 and 10/20
No
Solve:
4/5 * 4/10
16/50
Solve:
5/8 -: 4/3
15/32
Solve:
sqrt 36
6
Solve: 122
144
What two things are required for a line to have a proportional relationship?
A straight line and is passes through (starts at) the origin.
Solve:
2/3 * 3
6/3 or 2
Solve:
7/8 -: 2/6
42/16
Solve:
sqrt 144
12
Solve 33
27
Is this graph proportional? 
No
If a bread recipe calls for
2/3
cups of flour and I want to triple that recipe, how much flour would I need?
6/3 or 2
If a cookie recipe calls for
7/3
cups of chocolate chips and I want to make a half batch, how many cups of chocolate chips would I need?
7/6
If a square has an area of 81 square feet. What is the length of each side?
9ft2
Solve: 53
125
Which of these two graphs shows a proportional relationship?
1