Vocabulary
Ratios
Rates/Unit Rate
Proportions
Miscellaneous
100
A street map is an example of (a scale drawing, cross products)
a scale drawing
100
Write the ratio in simplest form: 9/30
3/10
100
Write the unit rate for this situation: 282 passengers/car
6 passengers/car
100
Solve the proportion: 3/7 = n/28
n = 12
100
Who is the best NFL team?
Chicago Bears
200
Knowing a(n) (indirect measurement, unit cost) is helpful for getting the best buy when you shop.
unit cost
200
Write the ratio in simplest form: 64/20
16/5
200
Write the unit rate for this situation: 600 calories in 8 servings
75 cal/serving
200
Solve the proportion: 3/5 = 15/x
x = 25
200
What is the best school ever?
Trinity!
300
A speed limit of 40 mi/h is an example of a (rate, proportion)
proportion
300
Write the ratio in simplest form: 99 : 33
3 : 1
300
Write the unit rate for this situation: 414 students in 18 classrooms
23 students/classroom
300
Solve the proportion: a/18 = 12/72
a = 3
300
Why did the skeleton cross the road?
Because he didn't have any guts.
400
A ratio that compares a length in a drawing to the actual length of an object is a (scale, proportion)
scale
400
Write the ratio in simplest form: 45/180
1/4
400
Write the unit rate for this situation: $136 for 34 kg
$4/kg
400
Solve the proportion: 32/c = 4/17
c = 136
400
If a red house has red bricks, a blue house has blue bricks, what color bricks does a green house have?
A green house doesn't have any bricks, its made of glass.
500
When two polygons have corresponding angles with equal measures and corresponding sides with proportional lengths,the polygons are (cross products, similar).
similar
500
During recent Olympics, the United States won 97 medals, including 39 gold medals. Write the ratio of gold medals to total medals in three ways.
39/97, 39 to 9, 39 : 97
500
You need to buy 10 lb of rice. A 2-lb bag costs $1.29. A 10-lb bag costs $6.99. You want to buy a 10-lb bag. Your friend thinks buying five 2-lb bags is a better deal because the unit rate is lower. Is your friend correct? Explain.
YES! The 2-lb bag for $0.65/lb is a better buy than the 10-lb bag for $0.70/lb.
500
A local lumberyard sells a total of 250,000 board feet of hardwood each year. The ratio of softwood sold to hardwood sold is 5 : 3. Write and solve a proportion to find the amount of softwood sold each year. Round your answer to the nearest thousand.
417,000 board feet
500
Who is the best math teacher ever?
Miss Cooney