Unit Rates and Proportions
Proportions and Similar Figures
Proportions and Percent Equations
Percent of Change
Probability
100
$2/5 lb.
What is $.40/1 pound?
100
You have two triangles that are similar. One has a length of 8 ft and a height of 5 ft; while the other has a length of 5 ft and an unknown height. This is the height.
What is 3.125 ft?
100
This percent of 40 is 20?
What is 50%?
100
The percent of change for 12 cm to 9 cm. Decrease or Increase.
What is 25% decrease?
100
The probability of rolling a 5 on a number cube.
What is 1/6?
200
524 cars/4 weeks
What is 131 cars/week?
200
The scale of the map is 1 in.: 17.5 mi. This is the actual distance if the scale is 5 in.
What is 87.5 miles?
200
15 is this percent of 45.
What is 33 1/3%?
200
The probability of not getting a two.
What is 5/6?
300
8/d = -12/30
What is -20?
300
The scale of the map is 1 in.: 17.5 miles. This is the actual distance if the scale measures 8.3 in.
What is 145.25 mi.?
300
42 is 30% of this number.
What is 140?
300
The percent of change (increase or decrease) for 15 lb to 18 lb.
What is 20% increase?
300
The probability of getting a vowel (a,e,i,o,u) and then a vowel from cards with the whole alphabet on - with replacement.
What is 25/672?
400
20/18 = 75/w
What is 67.5?
400
A child is 3 ft. tall. His shadow measures 60 in. The nearby tree's shadow is 8 ft long. This is the height of the tree.
What is 4.8 ft.?
400
This is 150% of 14.
What is 21?
400
The greatest possible error for 17 in.
What is 0.5 in.
400
The probability of getting a vowel and then a vowel without replacement (a, e, i, o, u).
What is 2/65?
500
(k + 5)/10 = (k - 12)/9
What is 165?
500
The boy's height is 3 ft tall and his shadow is 60 in. A nearby cat casts a shadow that is 18 in. tall. This is the height of the cat.
What is 12 in. or 1 ft.?
500
The freshman class of Mann High School 1218 students. The graduation rate for the school is 82% of the freshman class. This is the amount that will most likely graduate.
What is about 960 students?
500
The minimum and maximum possible areas for the rectangle 7 mi x 8 mi.
What is 48.75 square miles, 63.75 square miles
500
The probability of getting a consonant and then a vowel (a, e, i, o, u) - with replacement
What is 105/676?