Scale Drawings
To scale up, you always
MULTIPLY
What is the opposite of addition
subtraction
2, 6, 10
14, 18
How do you find the perimeter of anything?
Add the sides
To scale down, you always
DIVIDE
What is the opposite of multiplication
division
20, 17, 14, ___, ___
11, 8
A triangle has sides measuring: 6 inches, 6 inches, 8 inches. What is the perimeter?
20 inches
A scaled copy must be
EXACTLY THE SAME
In this equation, what is the 3 doing to the x
3x - 4
multiplying
6, 12, 18, 24, ____, ___
30, 36
The length of a rectangle is 7 feet and the width is 5 feet. What is the perimeter?
24 feet
If the length of a box was 5 feet and the scale factor is 2, what would its new length be?
10 feet
What does "squared mean"
A number times itself
A, C, C, A, C, C, A, _, _, _
C C A
The length of one side of a square is 3 inch. What is its perimeter.
12 inches
If the length of the top of a box is 10 inches and the length of the top of its scaled copy is 50 inches, what is the scale factor? (SF)
X5
Solve this problem:
5x = 40
x = 8
1, 6, 16, 31, 51, ___, ___
76, 106
What is the formula for area?
Length x width