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Potpourri
Proportions
Scale Drawings
Ratios
Definitions
100
The basketball concession stand sold 327 drinks in two games. Write a proportion that could be used to make the best estimate for the number of drinks that will be sold for 10 games?
327drinks / 2 games = x drinks / 10 games
100
Andrew knows that five pounds of turkey will feed eight people. At this rate, if Andrew is having 20 people over to his house for dinner, how many pounds of turkey will he need?
12.5 lbs
100
Helen walks to school 3.2 kilometers every morning. If a map of Alexandria uses a scale where 1 in represents 2 km, what distance on the map will represent the distance she walks to school every morning?
1.6 inches
100
I get what ratio when I simplify the following ratio:   25:30

5 : 6

100
A Proportion is an equation where two ratios are equal to each other.

What is True.

200
In a random survey, 24 out of 150 people were able to give a correct answer to the question asked. If 550 people are surveyed, about how many would be expected to answer the question correctly?
88 people
200
Jordan is making a scale model of his favorite car. The actual car is 8 feet long and 4 feet wide. If Jordan wants his model to be 12 inches in length, what will be the width of his model?
6 inches
200
Tavaris wants to visit a friend in Maryland and has checked a map with a scale of 1/2 inch = 3 miles. If Tavaris measures the distance on the map from his house to his friend's house as 3 and 1/8 inches, how many miles away is his friends house?
18 and 3/4 miles
200

12:30 is an equilivant ratio to 1:4.

False

200

In Order of Operations Addition comes before Multiplication.

False

300
A bottle of liquid dog vitamins indicates that a dog gets 2 drops of vitamins each day for every 5 pounds of body weight. How many drops of vitamins should a 35-pound dog get each day?
14 drops
300
A tree casts a shadow 9 meters long. At the same time, a building 54 meters tall casts a shadow 21 meters long. To the nearest meter, what is the height of the tree?
23 meters
300
On a map, the distance between Milvale and Dracut is 1 1/4 inches. If the map uses a scale of 1/4 inch represents 1 mile, what is the actual distance in miles from Milvale to Dracut?
5 miles
300

Using this operation, you can find the Greatest Common Factor

Division

300

Two ratios that can be simplified to the same ratio

Equivalent

400
On a certain map, 1/2 inch represents 75 miles. If the distance between two towns on this map is 2 and 1/4 inches, what is the actual distance between the two towns?
337.5 miles
400
Sammy used 5 yards of fabric to make 2 football uniforms. How many yards of fabric would he need to make 24 more uniforms?
60 yards
400
Diego is building a 1:35 scale model of a spaceship. If the height of his model is 18 inches, what is the height of the real spaceship?
630 inches
400
Alexis answered 12 of the 15 questions on her test. What percent of the questions did Patty answer?
80%
400

A way to compare different quantities that are measured using the same units.

Ratio

500
At the same time that a 60-foot tall building casts a shadow that is 24 feet long, a nearby tree casts a shadow that is 18 feet long. Which measure is closest to the height of the tree?
45 feet tall
500
Rachel's dogs ate 42 pounds of food during July. At that rate, how many days would a 100-pound bag of dog food would last? (to the nearest day)
74
500
John would like to take a trip to escape the cold weather. He knows the distance between Alexandria, VA and Orlando, Florida is 840 miles. The distance between the two cities on the map he is using is 10.5 inches. What is the scale of the map he is using?
1in : 80 miles
500

What is the ratio of the table you are sitting at to its' legs?

1:4
500

We use this when simplifying ratios with whole numbers

 Greatest Common Factor