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Ratios and Unit Rates
Similar Figures
Probability
Prop. & %'s
Percent of Change
100
What is the purpose of a ratio?
To compare two different quantities
100
Similar figures have the same _______, but not always the same __________.
shape ; size
100
The word EXPONENT is written on a piece of paper and cut into individual strip. What is the probability of drawing a vowel?
3/8
100
Find 15% of 48.
7.2
100
Find the following percent of change: 120 to 90
25% decrease
200
What are two ways a ratio can be written?
With a colon or as a fraction.
200
If two figures are similar, you can match them up by aligning ___________ sides and angles.
corresponding sides and angles
200
The word PANTHER is written on a piece of paper and cut into strips. What is the probability of drawing a letter that is not an N or R?
6/8 or 3/4
200
What percent of 300 is 90?
30%
200
148 to 37
75% decrease
300
Write the following ratio as a fraction in simplest terms. 9:24
3/8
300
Rectangle A has a width of 20, and a length of 30. Rectangle B has a width of 30, and a length of what?
45
300
The probability of rolling a 5 on a number cube is 1/6. What is the compliment to this event?
5/6
300
Find 68% of 300
204
300
285 to 342
20% increase
400
Find the following unit rate: 150 miles in 3 hours
50 miles per hour
400
Triangle A has a height of 21 and a slope of x. Triangle B has a height of 15 and a slope of 25. Find x.
35
400
In a bag of skittles, you have 10 blue, 15 red, 7 orange, and 8 yellow. What are your odds of picking an orange skittle?
7 to 33
400
20% of X is 30. What is X?
150
400
1,000 to 250
75% decrease
500
Find the following unit rate: $9.45 for 5 pounds
$1.89 per pound
500
A map has a scale of 1 cm : 75 km. What is the distance on the map for an actual distance of 37.5 km?
0.5 cm
500
The probability of a certain event is 1/13. What is the compliment and the odds of this event occurring?
Compliment: 12/13 Odds: 1:12
500
What percent of 180 is 9?
5%
500
A cap that cost a retailer $5 was marked up by 75%. Find the selling price.
$8.75