Ratios/ Proportions
Unit Rates
F/D/P
Sales Tax
Miscellaneous
100
Two Part Question:
1. What is a Ratio?
2. What is a Proportion
1. A comparison of two quantities.
2. An equation stating that two ratios are equal.
100
What is a unit rate?
A rate that is simplified to have a denominator of 1.
100
How do we turn a fraction into a percent?
1.
2.
3.
1. Make a fraction
2. Divide the fraction (Decimal)
3. Multiply by 100 (Move the decimal to the right twice)
100
Percents are always out of ___?
100
100
How do we know if two ratios are equivalent?
The top and bottom have the same scale factor.
Bonus +100: What is a scale factor?
200
Large Popcorns = 7; Small Popcorns =9
Write the ratio of small popcorns to large popcorns THREE ways.
9 : 7
9 small popcorns to 7 large popcorns
9/7
200
Anthony ran 49.28 meters in 7 seconds. How far did he run in one second?
7.04 meters per minute
200
Jessica wants to buy a toy for her sister's birthday. They toy is $25 and Jessica has saved up $17. What percent represents how much Jessica has saved?
68%
200
How do you find sales tax given a %?
Multiply the total amount by the sales tax as a decimal?
200
If given a percent, what fraction do you know automatically and why? (ex. 65% of the coat...)
300
The ratios of boys to girls in Mrs. Smith's class is 5 to 7. If there are 15 boys, how many total students are in Mrs. Smith's class?
36 students
300
If Jack ran 6 miles in 55 minutes and Drew ran 5 miles in 47 minutes? Who runs faster?
Jack
300
7 out of 20 classrooms have a class pet. What percent of classrooms do NOT have a class pet?
65%
300
How do you turn a percent into a decimal?
Move the decimal to the left twice or Divide by 100
300
When ordering integers, we must put them on a _______ _______?
Number line
400
Sophia scored 92% in a math exam. If she got 46 questions right, how many questions were on the test?
50 Questions
400
Walmart has a buy 2 get 1 free for headphones. The cost of each headset is $45.99. Target has the same headphones on sale for 3 for $95. Where should you buy the headphones and why?
Bonus +200: Buy how much is one brand cheaper than the other per headphone (Round to the nearest hundredth)
Walmart
They are $1.00 cheaper per headphone
400
The Bella's went to a dance competitions and placed 1st in 3 out of 5 dances. Represent the number of competitions they won in both a decimal and percent.
.6; 60%
400
A game at GameStop is $43 plus 8.25% sales tax. What would be the equation to solve this?
Bonus +200: What is the total price paid?
43 + (43 x .0825)
$46.55
400
Part 1: If we are converting measurements, and we aren't given the "KNOW," where do we look?
Part 2: The tank holds 4 gallons of water, how many quarts does the tank hold?
Part 1: STAAR CHART
Part 2: 16 quarts
500
Jannette bought a new pair of boots for $175. Alexis bought the same pair at a 12% discount. How much did Alexis pay?
$154
500
What is X?
32
500
Turn 
3.67
500
Jamie went grocery shopping and bought the following things:
Juice: $5.15
2 Apples: $3.20
Chips: $2.95
If she paid a 3% sales tax on all of these items. How much did she pay?
11.3 + (11.3 x .03)
$11.64
500
Solve: -6 (-2-10) + 18
90