Fractions, Decimals, & Percents
What is 1/2 as a decimal?
0.5
What is a ratio that compares 3 apples to 5 oranges?
3 to 5, or 3:5, or 3/5
What is the value of the expression: 3 + 5 x 2
13
List the first five multiples of 3.
3, 6, 9, 12, 15, ...
What is the opposite of -8?
8
What is 0.725 as a percent?
72.5%
If there are 12 boys and 8 girls in a class, what is the ratio of girls to total students?
8 to 20, or 2 to 5
Solve for x. x + 4 = 10
x = 6
What are all the factors of 12?
1, 2, 3, 4, 6, and 12
Which number is greater: -3 or -7?
-3
Convert 75% to a fraction in simplest form.
3/4
If a recipe uses 2 cups of sugar for every 5 cups of flour, how much sugar is needed for 15 cups of flour?
6 cups of sugar
Write an expression for: "the product of 7 and a number n."
7n
What is the least common multiple (LCM) of 4 and 6?
12
Determine the absolute value: |27|
27
6
A map shows that 1 inch equals 25 miles. How many miles do 4 inches represent?
100 miles
What is the value of 2x – 5 when x = 4?
3
What is the greatest common factor (GCF) of 18 and 24?
6
Convert 0.6 into a fraction in simplest form.
3/5
A shirt is 25% off the original price of $40. What is the sale price?
$30
A store sells pencils in packs of 4 for $1.20. What is the unit price per pencil?
$0.30
Solve for x. 3x + 2 = 17
x = 5
Is 37 a prime number? Explain why or why not.
yes, because it only has two factors: 1 and itself.
A scuba diver is 25 feet below sea level. He ascends 10 feet. What is his new depth?
-15 feet