Scale Drawings
Proportional Relationships
Circles
Percentages
Random
100
Rectangle A measures 9 inches by 3 inches. Rectangle B is a scaled copy of Rectangle A. Select all of the measurement pairs that could be the dimensions of Rectangle B.
4.5 inches by 1.5 inches
8 inches by 2 inches
10 inches by 4 inches
13.5 inches by 4.5 inches
90 inches by 30 inches
4.5 by 1.5
13.5 by 4.5
90 by 30
100
Which graph represents a proportional relationship?
C
100
A radius of a circle is 10 cm, what is the diameter?
20 cm
100
At a store, everything is 20% off during a sale. If the regular price of a T-shirt is $18, what is the discount price?
$14.4
100
What is the formula for the area of a circle?
pi x r2
or pi x r x r
200
A local park is in the shape of a square. A map of the local park is made with the scale 1 inch to 200 feet.
If the park is shown as a square on the map, each side of which is one foot long, how long is each side of the square park?
2,400 feet
200
Table A
200
Find the circumference of a circle with a diameter of 3 cm
9.42 cm
200
An annual salary is $50,000. If this person gets a 10% raise, what is their new salary?
$55,000
200
What is the formula for the circumference of a circle?
pi x D
300
A local park is in the shape of a square. A map of the local park is made with the scale 1 inch to 200 feet.
If a straight path in the park is 900 feet long, how long would the path be when represented on the map?
4.5 inches
300
The graph shows the cost in dollars of pounds of blueberries, a proportional relationship. How much does it cost per pound of blueberries?
$2.75 per pound
300
The circumference of a circle is 25 inches, what is the radius of the circle?
3.98
300
Flagstaff has a sales tax of 9.181%. If you buy something that is $44.00, how much do you pay in sales tax?
$4.04
300
What is the perimeter of this shape?
102.8
400
An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide.
How tall is the actual book?
18 inches
400
A
400
What is the area of a circle with a diameter of 13 in?
132.665 square inches
400
An item is priced at $132. On this item, you pay $9.24 in sales tax. What percent is the sales tax of the original price?
0.07 or 7%
400
The Mona Lisa painting is 2 1/2 feet wide. If a postcard is 4 inches wide, what is the scale?
1 inch to 0.625 feet
1 foot to 1.6 inches
4 inches to 30 inches
2 inches to 15 inches
1 inch to 7.5 inches
5 feet to 8 inches
500
Elena wants to make a scale drawing of her bedroom. She decides on a scale of 1 to 50.
Elena’s bed measures 4 cm by 3 cm on the scale drawing. What are the actual measurements of her bed?
200 cm by 150 cm
500
You need 1/4 cup of molasses to make 24 molasses cookies. If you want to make 96 cookies how much molasses do you need?
1 cup
500
What is the area of this shape?
614 square units
500
The predicted temperature is 32 degrees. The actual temperature is 28 degrees. What is the percent error?
14.29%
500
Which is a proportional relationship?
$20 off or 20% off?
20% off!!!