5. March 6, 2014
Guided Practice
In 1863, Confederate troops marched from
Chambersburg to Gettysburg in search of badly
needed shoes. Use the ruler and the scale of the
map to estimate how far the Confederate
soldiers, many of whom were barefoot, marched.
6. March 6, 2014
Guided Practice
Before the Civil War, the Mason-Dixon Line was
considered the dividing line between the North and the
South. Gettysburg is about 8.1 miles north of the
Mason-Dixon Line. How far apart in inches are
Gettysburg and the Mason-Dixon Line on the map?
7. March 6, 2014
Guided Practice
Multi-Step Toby is making a scale model of the
battlefield at Fredericksburg. The area he wants to
model measures about 11 mi by 7.5 mi. He plans to
put the model on a 3.25 ft by 3.25 ft square table. On
each side of the model he wants to leave at least 3 in.
between the model and the table edges. What is the
largest scale he can use?
8.
9. March 7, 2014
Guided Practice
Scale Factor is always the ratio
of the model’s dimensions to
the actual object’s dimensions.
10. March 7, 2014
Guided Practice
1. The dimensions of an office conference room are
12 feet by 24 feet. If the conference room blueprint
dimensions are 4 centimeters by 8 centimeters,
what is the scale of the blueprint?
A. 1 centimeter = 4 feet
B. 1 centimeter = 8 feet
C. 1 centimeter = 3 feet
D. 1 centimeter = 12 feet
11. March 7, 2014
Guided Practice
Above are two different models of a microchip. If the model of the microchip on
the left measures 4 cm tall, how tall is the model of the microchip on the right?
A. 4 cm
B. 10 cm
C. 12 cm
D. 8 cm
12. March 7, 2014
Guided Practice
Above are two different models of the same triangular handkerchief. If the
area of the model on the right is 108 sq cm, what is the area of the model on
the left?
A. 27 sq cm
B. 12 sq cm
C. 54 sq cm
D. 36 sq cm
13.
14. March 11, 2014
Guided Practice
Clarise drew the scale drawing below of a circular fish pond she
plans to put in her backyard.
If 1 centimeter on the scale drawing represents 3 feet, what will be
the diameter of Clarise's fish pond?
A. 84.78 feet
B. 9 feet
C. 18 feet
D. 56.52 feet
15. March 11, 2014
Guided Practice
Above are two different diagrams of the same backyard. If the length
of the diagram on the left is 3 in, what is the length of the diagram
on the right?
A. 6 in
B. 9 in
C. 1.00 in
D. 16 in
16. March 11, 2014
Guided Practice
The following blueprint of a kitchen has dimensions of 8 inches by 8 inches.
The island has been highlighted in red.
The island's actual dimensions are 4ft by 2ft. If the scale of the blueprint is 1
inch = 2ft, what are the dimensions of the island on the blueprint?
A. 1 ¾ in by 7/8 in
B. 1 in by ½ in
C. 8 in by 4 in
D. 2 in by 1 in
17. March 11, 2014
Guided Practice
The image on a movie poster was shrunk to make the DVD cover
art for the movie, so that the cover art is a scale image of the
poster. The poster is 45 inches wide, and the DVD cover art is 5
inches wide. If the diagonal of the poster is 6.75 feet, what is the
diagonal of the DVD cover art?
A. 9 inches
B. 8 inches
C. 11.25 inches
D. 0.75 inch