Number Lines
Distance/Rate/Time
Percentages
Percent Increase/Decrease
Proportions
100
What is 15% as a fraction and decimal?
15/100 and 0.15
100
What is the equation for distance, rate, and time?
d=rt
100
What is 10% of 50?
5
100
What is 10% of 18?
1.8
100
The method for solving proportions where you multiply diagonally is: _____ ______________.
cross multiplication
200
If the number line is divided evenly, what percent is x?
x = 20%
200
If a car travels at a constant rate of 65 miles per hour, and travels for 2 hours, how many miles will it travel?
130 miles
200
What is 20% of 12?
2.4
200
If you have a 20% off discount, what percent do you pay? (also, what is the fraction and decimal of that percent?)
80%, 80/100 or 8/10 or 4/5, and 0.8 or 0.80
200
If you were to use a Giant One to solve this proportion, which one would you use?
x/16 = 9/2
8/8
300
If the number line is divided evenly, 10% is what amount?
16
(64/4)
300
If biking at a speed of 7 mph, how far would you get in a half hour?
3.5 miles
300
What is 25% of 60?
15
300
What is 20% off of $60?
$48 (20% of $60 is $12. 60-12=48)
300
Solve the proportion:
2/3 = x/9
x = 6
400
If the number line is divided evenly, and 40% of it is 64, 100% is what quantity?
160
400
Andrew is walking at a rate of 2.5 mph. How long will it take him to travel 8 miles?
3.2 hours (3 hours and 12 minutes)
400
What is 40% of 80?
32
400
Corbin got a raise from $8 to $10 per hour. What is the percent increase?
25% increase ($2 is 25% of 8)
400
Solve the proportion:
6/15 = x / 100
x = 40
500
If the number line is divided evenly, y represents what amount?
48
500
Kendal travels 208 miles in 4 hours. What is her rate?
52 mph
500
What is 15% of 35?
5.25
500
Sheridan is getting a 12% increase in pay. If she makes $300 a week now, how much will she make after her raise?
$336 per week (12% of $300 is $36)
500
Solve the proportion:
1.2/20 = x/10
x = 0.6