__ : 6 = 15 : 18

3 + (-8) = __

A frame is 9 in wide and 6 in tall. If it is
reduced to a width of 3 in then how tall will
it be?

-1 x 5 = __

What is the constant of proportionality?
x y
3 6
9 18
5 10
10 20

__ : 3 = 16 : 24

(-2) + 5 = __

One bulb of elephant garlic costs $2. How
many bulbs of elephant garlic can you buy
for $14?

-3 ÷ 3 = __

What is the constant of proportionality?
x y
21 7
18 6
12 4
6 2

4 : 9 = 2 : __

2 - (-10) = __

The currency in Bolivia is the Boliviano.
The exchange rate is approximately $1 = 8
Bolivianos. At this rate, how many
Bolivianos would you get if you exchanged
$3?

-4 x -7 = __

What is the constant of proportionality?
x y
2 -6
3 -9
4 -12
5 -15

13 : 2 = __ : 8

9 - (-7) = __

Kim took a trip to China. Upon leaving she
decided to convert all of her Yuan back into
dollars. How many dollars did she receive if
she exchanged 16 Yuan at a rate of 8 Yuan
for $1?

-5 x -9 = __

What is the constant of proportionality?
x y
2 90
3 135
4 180
5 225

__ : 100 = 3 : 4

(-5) - (-6) = __

Mark reduced the size of a photo to a height
of 4 in. What is the new width if it was
originally 16 in tall and 8 in wide?

-42 ÷ 6 = __

What is the constant of proportionality?
x y
2 -12
4 -24
6 -36
8 -48
10 -60