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Decimals
Fractions
Percents
Scientific Notation
Mixed Review
100
What is 9/20?
Write 0.45 as a fraction in simplest form.
100
What is 2/3?
Simplify 12/18.
100
What is 0.25?
Write 25% as a decimal.
100
What is 4.5 × 10^6?
Write 4,500,000 in scientific notation.
100
What is 0.75 or 75%?
Name an equivalent form of 3/4.
200
What is 18.3?
Round 18.276 to the nearest tenth.
200
What is 7/3?
Convert 2 1/3 to an improper fraction.
200
What is 72%?
Write 0.72 as a percent.
200
What is 0.0062?
Write 6.2 × 10^-3 in decimal form.
200
What is 1 1/4?
Write 1.25 as a mixed number.
300
What is 6.27?
Add 3.47 + 2.8.
300
What is 5/8?
Find 1/4 + 3/8.
300
What is 30%?
18 is what percent of 60?
300
What is 6 × 10^6?
Multiply (2 × 10^4)(3 × 10^2).
300
What is 50?
Find 20% of 250.
400
What is 0.605?
Which is greater: 0.58 or 0.605?
400
What is 5/6?
Which is greater: 5/6 or 7/9?
400
What is $24?
A shirt costs $80 and is 30% off. Find the discount.
400
What is 4.5 × 10^4?
Rewrite 45 × 10^3 in proper scientific notation.
400
What is 8.1 × 10^-4?
Convert 0.00081 to scientific notation.
500
What is 0.024?
Multiply 0.6 × 0.04.
500
What is 2/3?
Divide 3/5 ÷ 9/10.
500
What is 25%?
A price rises from $40 to $50. What percent of the original price is the increase?
500
What is 5.6 × 10^-5?
Write 0.000056 in scientific notation.
500
What is 0.5 liters?
A recipe uses 2.5 liters split equally into 5 bottles. How much is in each bottle?