Scale factor
Order of Operations
Adding/ Subtracting/ Multiplying/ Dividing Fractions
Evaluating Equations
Percentage Increase/Decrease
100
What is the scale factor of the image below?
The scale factor is 2
100
(15*2)/6
6
100
8/2 ÷ 4/2
2
100
3x - 7 = -26
x= -7
100
Increase 30 by 10%
300
200
What is the scale factor of the photo shown?
The scale factor is 3
200
5-(8/2)-(4/4)
0
200
21/5 * 7/6
4 27/30
200
3x - 7 = 3 - 2x
x= 2
200
The original price of the jeans are $32.77 and are marked down by 17%. What's the new cost of the jeans.
$27.07
300
Tom made a scale drawing of a picnic table near the river. The picnic area is 10 inches long in the drawing. The actual picnic area is 90 yards long. What scale did Tom use from the drawing to the real thing? *With units*
9 yards
300
4*5+3-15/5
20
300
12/17 + 59/85
1 34/35
300
6x - 200 = 28
x= 38
300
A TV is $427.99 and has a 7.5% sales tax. Whats the final cost of the TV after the sales tax?
$460.01
400
The red shape is a dilation of the blue shape... what is the scale factor?
The scale factor is 3
400
(4-1) +15/3-1
7
400
11/18 - 210/9
-22 13/18
400
20x + 2 = 18
x = 4/5
400
In a class of 30 kids, 60% are girls. How many are girls?
18 are girls.
500
What is the scale factor in the image below?
The scale factor is 2
500
5*2/4-3-8-1-4
-13.5
500
7/8 ÷ 1029/7
1/168
500
3(2x ÷ 2) - 4 (x-5) = 18
x= 2
500
If a man gets paid $17,236.89 a year, and gets a 6% raise each year whats his salary after 3 years?
$20,339.53