scale models
DESCRIPTION
Lesson on scale models I made for my 8th graders.TRANSCRIPT
SCALE MODELSSCALE MODELS
Model cars are made using a scale that is in proportion to the dimensions of a real car.
Scale Model
Real Car
Model planes are made using a scale that is in proportion to the dimensions of a real plane.
Scale Model
Real Plane
Model statues are made using a scale that is in proportion to the dimensions of a real person.
Scale Model
Real Player
A carpenter is making some furniture based on tiny furniture A carpenter is making some furniture based on tiny furniture
from an old dollhouse. The from an old dollhouse. The scalescale of the models is inch : 1 of the models is inch : 1
foot. The height of a footstool in the dollhouse is 3 inches. foot. The height of a footstool in the dollhouse is 3 inches.
What is the height of the carpenter’s footstool?What is the height of the carpenter’s footstool?
52
1] Write a proportion.
model height (in.)actual height (ft)
52
1=
h3
52 h=
3(
(25 (
(251
56
= h1 15
ft
The carpenter wants to make a dresser based on the
dollhouse furniture. The scale is inch : 1 foot. The
height of the dresser in the dollhouse is 10 inches. What is
the height of the carpenter’s dresser?
52
1] Write a proportion.
model height (in.)actual height (ft)
52
1=
h10
52 h=
10(
(25 (
(251
520
= h4 ft
The carpenter uses colonial doll furniture with a
scale of inch : 1 foot as a model. The length of a
doll’s bed is 27 inches. What is the length of the
carpenter’s bed?
1] Write a proportion.
model height (in.)actual height (ft)
1=
x27
x=27(
(
(
(
1
954 = h6
92
92
92
29
29
ft
The scale of some Victorian doll furniture is
inch : 1 foot. The height of the doll’s table is
12 inches. What is the height of the carpenter’s
table?
1] Write a proportion.
model height (in.)actual height (ft)
1=
x12
x=12(
(
(
(
1
1548 = h3
154
154
415
415
ft
154
15