Vocabulary
A copy of an figure where every length in the original figure is multiplied by the same number
What is a Scale Copy?
The scale is 1 inch = 10 feet, find the scale factor.
What is 120 or 1/120?
Ivan drew a scale drawing of his backyard at a scale of 1in : 3ft. If Ivan's deck is 48 feet wide in real life, what is the width of the deck in the drawing?
16 inches
Trent measured an Italian restaurant and made a scale drawing with a scale of 1mm : 7 m. If the kitchen is 4mm in the drawing, how long is the actual kitchen?
28 meters
David made a scale drawing of a house. In real life, the garage is 10 meters long. It is 2 millimeters long in the drawing.
What is the scale of the drawing, 1mm : _________
5 meters
The ratio of the length in a drawing or model to the length on an actual (real life) object
What is a Scale
Two legs of Triangle A are 3 & 4
Two legs of Triangle B are 9 & 12
The answer is the Scale Factor from Triangle A to Triangle B
What is 3
Mitch was looking at a blueprint of West Lake that has a scale of 1 cm : 9 m. If the actual width of the building is 90 meters, what is the width of the school in the drawing?
10 centimeters
Diana drew a scale floor plan of her house. If the scale she used was 1in : 4ft, and she drew the driveway 3 inches wide, how wide is the driveway in real life?
12 feet
Daniel made a scale drawing of a house and its lot. The backyard is 5 inches long in the drawing. The actual yard is 50 feet long.
What scale did Daniel use for the drawing?
1in : _____________
10 feet
The ratio between corresponding measurements of an object and a representation of that object.
What is a Scale Factor?
The scale factor of Mr. A's Drawing of his house which is drawn at a scale of 1/2 in = 8 ft
What is 192?
Duncan measured a game room and made a scale drawing. The scale of the drawing was 8 inches : 3 feet. If the actual length of the pool table is 6 feet, how long is the pool table in the drawing?
16 inches
Clayton drew a scale drawing of a neighborhood park at a scale of 5 centimeters : 4.5 meters. If the actual volleyball court is 18 meters, what is the length of the drawing?
20 centimeters
Thai measured a county park and made a scale drawing. The picnic area, which is 93.5 yards wide in real life, is 5.5 inches wide in the drawing.
What scale did Thai use? 1in : ____________
17 yards
This is a reduced or enlarged representation of an object, usually accompanied by a comparison of sizes.
What is a Scale Drawing
In Science class you draw a cell to the scale of
48 mm = .04mm
Find the scale factor.
1,200
A Flagpole is 30 ft tall. Using the scale 3 in : 5 ft, draw a flagpole and label it's height.
Flagpole should be labeled 18 inches tall
A football field is 100 yards long.
Draw a football field and label it's length using your own scale.
Answers will vary
A teacher has a globe that has a circumference of 2 ft. If the circumference of the actual earth is 24,901 mi, What scale was used to create the globe? (WITHOUT Units)
Hint: There are 5280 feet in a mile.
1:65,738,640
OR
2:131,477,280