Fractions
What is the reciprocal of 5/2?
2/5
Simplify:
15:60
1:4
If a box of 18 chips costs $10.00, how much is it for each bag of chips?
0.56
Sylas can bike 4 miles in 30 minutes. If he continues at this rate, how far can he bike in 120 minutes?
16 miles
What is the GCF of 2 and 6?
2
1/3 divided by 2/6
6/6 OR 1
Express the ratio 12:18 in simplest form.
2:3
If 4 pounds of apples cost $6.00, what is the price per pound?
1.50 per pound
A sloth moves 20 feet in 4 minutes. What is its speed in feet per minute?
5 feet per minute
What is the GCF of 90 and 72?
18
If 4 kids share a 1/2 of a pizza, how much do each of them get?
1/8
A classroom has 10 boys and 15 girls. What is the simplified ratio of girls to boys?
3:2
A box of 12 donuts costs $9.00. What is the unit cost of one donut?
0.75
An airplane flies 1,200 miles in 2.5 hours. What is the plane's average speed per hour?
480 miles per hour
What is the greatest common factor of 15, 25, and 35?
5
Express the mixed number 6 3/8 as an improper fraction.
51/8
In a bag of marbles, the ratio of blue to red is $4:7$. If there are 28 red marbles, how many blue marbles are there?
16 blue marbles
Package A offers 10 pencils for $2.50. Package B offers 25 pencils for $6.00. Which package is the better deal?
Show your work.
Package B (0.24)
Package A (0.25)
A pump drains 75 gallons of water in 5 minutes. At this unit rate, how long will it take to drain 300 gallons?
20 minutes
What is the least common multiple of 9 and 12?
36
Determine which fraction is larger.
5/8 or 7/12
Hint: must find the common denominator
5/8
A recipe uses 2 cups of sugar for every 5 cups of flour. Write three equivalent ratios for this relationship.
Answers vary
Size 1 laundry detergent is 32 oz for $6.40. Size 2 is 50 oz for $9.50. Which size is cheaper per ounce?
Size 2 (0.19)
Size 1 (0.20)
David can type 135 words in 3 minutes. At this unit rate, how many words can he type in 12 minutes?
540 words
What is the least common multiple of three numbers: 2, 3, and 5?
30