The absolute change describes the actual increase or decrease from a reference value (starting number) to a new value.
100
What is 2.13 x 10^3?
2130
100
How many ways are there to use percentages?
3
100
How do you find absolute change?
absolute change = new value – reference value
100
What is 5.86 x 10^2 equal to?
586
200
Define relative change
The relative change is a fraction that describes the size of the absolute change in comparison to the reference value.
200
What is 7.5 x 10^-4
0.00075
200
What are the different ways to use percentages?
Fractions, describing change, and comparing.
200
How do you find relative change?
relative change = absolute change / reference value
200
A nail polish stays on 250% longer than the value polish, but costs 300% more.
What way is this using percentages?
Comparisons.
300
Define absolute difference
The absolute difference is the actual difference between the compared value and the reference value.
300
What is 9.8 x 10^6?
9800000
300
What is "A total of 7,025 employees, 4.85% of the work force, lost their jobs." an example of?
Fractions.
300
The price of the house increases from $195,000 to $215,000
What is the absolute change?
$215,000 - $195,000 = $20,000
300
A pair of pants were returned to the store. They cost $55 originally, but after the return were placed on the sale rack for $30.
What is the absolute change?
$30 - $55 = $-25
400
Define relative difference
The relative difference describes the size of the absolute difference as a fraction of the reference value.
400
What is 5.67 x 10^-8?
.0000000567
400
What is "Apple stock fell 17% yesterday, to $54.75." an example of?
Describing change.
400
A sweater was being sold for $40 and now the company is selling it for $55.
What is the absolute change?
$55 - $40 = $15
400
Define absolute difference
The absolute difference is the actual difference between the compared value and the reference value.
500
Define percentage
a rate, number, or amount in each hundred.
500
Define scientific notation
Scientific notation is a format in which a number is expressed as a number between 1 and 10 multiplied by a power of 10
500
What is "The Juicy gum lasts 138% longer than the Original gum, but costs 190% more." an example of?
Comparisons.
500
A car was selling for $25,000 then the car salesman decided to raise the price to $27,500.
What is the relative change?