Vocabulary
This is a representation of an object that has been made smaller.
What is a Reduction
The scale is 2 inches = 10 feet, find the scale factor.
1 inch = 5 feet or 1 in/5 ft
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 in
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
What 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
Phillip drew a to scale floor plan of his house. If the scale he used was 1in : 4ft, and he drew the driveway 3 inches wide, how wide is the driveway in real life?
12 feet
Anne 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 Anne use for the drawing?
1in : _____________
10 feet
This is a reduced or enlarged representation of an object, usually accompanied by a comparison of sizes.
What is a Copy, Mode, or a Scale Drawing?
POINT SWAP!!!!!
Swap points with any team on the board!
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 : 9 meters. In the drawing, the volleyball court is 10 centimeters long. What is the length of the actual volleyball court?
18 meters
Tommy measured a county park and made a scale drawing. The picnic area, which is 86 yards wide in real life, is 43 inches wide in the drawing.
What scale did Tommy use? 1in : ____________
2 yards
A representation of an object that is larger than the original
What is an Enlargement
In Science class you draw a cell to the scale of
48 cm = .04mm
Find the scale factor.
What is 1 cm = 1,200 mm?
A Flagpole is 30 ft tall. Using the scale 3 in : 5 ft, draw a flagpole and label it's height.
Draw a football field and label it's length using your own scale.
Answers will vary
2 ft : 24,901 mi
A river on a map and a river in real life are similar to each other. The river on the map is 12 cm long. The river in real life is 16 mi long and 52 mi wide. The scale being used is 3 cm to 4 mi. Find the width of the river on the map.
The width is 39 cm.
A river on a map and a river in real life are similar to each other. The river on the map is 12 cm long. The river in real life is 16 mi long and 52 mi wide. What is the scale factor being used to reduce the actual size of the river to what it is on the map? Answer as a fraction in simplest form.
What is 3/4?
12/16 (simplify by a factor of 4) = 3/4