Proportional Relationships
Circles
Scale Drawings
Order of Operations
Fraction
Decimals
Percent
Decimals
Percent
100
Does this graph represent a proportional relationship? Explain your reasoning.
Yes, it is a straight line and it passes through the origin.
100
What is OB?
radius
100
The two rectangles are scale drawings. What is the measurement of x?
20
100
(30/5) + 2 * 32 =
24
100
16% as a decimal
0.16
200
Write an equation for this relationship.
y=5x
200
Find the circumference of this circle
21.98 meters
200
What is the scale factor?
1/3
200
(5 * 3)6 + 8/2 - 6 +3 =
91
200
20% as a fraction in lowest form
1/5
300
A customer pays $3 for 2.55 pounds of apples. How many pounds can he buy with 1$?
0.85 pounds
300
What is the area of a circle whose diameter is 12cm? Use 3.14 for Pi.
113.04 cm2
300
On a map, Memphis, Tennessee, and Jackson, Mississippi, are 5 inches apart. The distance between the cities is actually 210 miles.
What scale was used to create the map?
1 inch = 42 miles
300
4 + 2(82 -4) - 20/2 =
114
300
1.36 as a percent
136%
400
Write an equation for this relationship.
y=4x
400
What is the diameter of the inner circle?
16 in
400
Find side length X.
15
400
5*2 - 10 + 3 * 52 =
75
400
1/8 as a percent
12.5%
500
What is the constant of proportionality?
k=15
500
What is the formula for finding the area of a semi-circle?
A = π r2 / 2
500
On a map, the distance between Louisville, Kentucky, and Nashville, Tennessee, is 1 3/4 inches. The scale of the map is 1 in:100 mi.
What is the actual distance between the two cities?
175 miles
500
5*4 (10*2) + 6 =
406
500
What is 10% of 112?
11.2