Proportional or Not?, Solving Proportions, and Partitive Proportions
Direct Proportion and Inverse Proportion
Conversions and Dimensional Analysis
Scale Drawing and Similar Figures
100
Write 6 girls to 8 boys as a ratio in 3 ways.
6/8, 6 to 8, 6:8
100
2/3 and 4/6
Yes, proportional, 2 x 6 = 12, 3 x 4 = 12
100
Anna earns $12 in 3 hours. How much does she make in 5 hours?
What is $20
100
Convert 12 feet to inches
What is 144 inches?
100
Solve for n.
scale: 3 centimeters : 4 miles
scale measure: 12 centimeters
actual measure: n miles
What is n = 16 miles?
200
Write a ratio that is equal to 12 : 24.
1:2
200
Are 1/6 and 2/7 proportional?
Not Proportional, 1 x 7 = 7 and 2 x 6 = 12
200
Ramon gets 10 points in 4 games. How many does he get in 6 games?
What is 15 points
200
Convert 2 L (Liters) to mL (milliliters)
Hint: King Henry Died By Drinking Chocolate Milk
2000mL
200
Solve for n.
scale: 3.5 centimeters : n miles
scale measure: 12.5 centimeters
actual measure: 350 miles
What is 98 miles?
300
A comparison between two numbers is called a______
ratio
300
Solve for x.
x/2 = 9/6
What is 3
300
Julia texts 60 words in 4 minutes, then she texts 45 words in how many minutes?
What is 3 minutes
300
How many inches are in 0.5 miles?
Conversion factors 1 mile = 5,280 feet
1 foot = 12 inches
What is 31, 680 inches?
300
Find the scale factor
10 centimeters model building for a 50 meter building
What is 1/500?
400
What is the ratio in simplest form?
36 out of 108 people use energy efficient light bulbs.
1/3
400
Divide 500 into three parts proportional to 2 : 3 : 5. How much is each part?
What is 100: 150: 250?
400
It takes a crew of 6 painters 49.5 hours to paint a house. If 3 more painters are hired, how many hours will it take the crew to paint a house?
What is 33 hours?
400
Find an equal rate
60 lb/1 ft = x oz/ 1 in.
Conversion factors: 1 lb = 16 oz, 1ft = 12 inches
What is 80 ounces?
400
A 6 ft tall tent standing next to a cardboard
box casts a 9 ft shadow. If the cardboard
box casts a shadow that is 6 ft long then how
tall is it?
What is 4 ft?
500
What is the unit rate?
7 gallons of gas cost $28.35.
$4.05 per gallon
500
A father wants to leave $4675 to his four children in the ratio of 1:3:3:4. How much will each of the four children receive?
What is $425, $1275, $1275 and $1700?
500
It takes 8 pickers 44 hours to pick the apples on one acre. How many pickers are needed to pick the apples on one acre in 32 hours?
What is 11 pickers?
500
A faucet is dripping at a rate of 15 drops per minute. What is the rate in liters per day?
Conversion factors: 1 milliliter = 20 drops
1 Liter = 1000 milliliters
1 hour = 60 minutes
1 day = 24 hours
What is 1.08 Liters in 1 day?
500
Find the missing dimension
Triangle ABC ~ Triangle EFG
AB = 5 m ~ EF = 25 m
BC = 10 m ~ FG = x m