Percents/Decimals/Fractions
Ratios
Unit Price/Unit Rate
One Step Algebra
100
How do you convert a decimal into a percent?
You move the decimal point 2 places to the right
100
Simplify the following ratio: 12 : 108
1 : 9
100
When looking for the unit price of an object, what is the unit that we are dividing up ($ or the objects)?
$$$
100
Solve for y:
y + (-2) = 23
25
200
Convert 5/12 to a percent (Round to the nearest tenth of a percent)
41.6%
200
Name one similarity and one difference between ratios and rates.
Similarities: Number comparisons, written like fractions, must be simplified
Differences: Ratios compare similar units, written 3 ways, uses the word “to”. Rates compare different units, uses the word “per”, often used with $
200
An international phone call costs $10 for 4 minutes. How much do you have to pay per minute?
$2.50
200
What are the 4 main operations and their inverses?
Multiplication and Division are inverse operations, Addition and Subtraction are inverse operations
300
When converting a decimal to a fraction, how do we know what multiple of 10 our denominator should be?
What place it goes to (tenths, hundredths, etc.). The number of places past the decimal point should be the number of zeros in the denominator.
300
Richard has a bag of 30 pieces of candy. He plans on sharing the candy with his 2 friends, Jeremy and Ben. For every 3 pieces of candy that Richard eats, he gives one to each of Jeremy and Ben. How many pieces of candy does Jeremy eat?
6
300
Ms. Thorne bought her class a 4 pound box of Sour Patch Kids for $24. If there are 12 bags in each pound, how much does each individual bag cost?
$0.50
300
Solve for x:
9x = 84
9 and 1/3
400
Mr. Victoria brought 9 and ⅔ packs of cookies for the whole class. Mr. Levy really wanted some cookies, so he ate 1.25 packs of cookies himself. How many packs of cookies are left for the rest of the class?
8 and 5/12
400
The following table shows Gemma's soup recipe:
Indicate whether each of the following statements are true or false:
a. There would be 6 cups of mixed vegetables for each cup of water.
b. If we have one cup of chicken stock, there will be 2/7 cups of spices.
c. There is 0.75 cups of chicken stock for each cup of water.
a. false
b. true
c. false
400
If Sarah maintained a constant speed and drove 378 miles in 6 hours, how many total miles would she have driven if she continued for 4 more hours?
630 miles
400
6x - 24 = 12 + 3x
x = 12