Decimals
Fractions
Percents
Scientific Notation
Mixed Review
100
What is 3/8?
Write 0.375 as a fraction in lowest terms.
100
What is 3/4?
Simplify 18/24.
100
What is 0.45?
Convert 45% to a decimal.
100
What is 5.6 x 10^-4?
Write 0.00056 in scientific notation.
100
What is 0.75?
Which equals 3/4: 0.75 or 0.075?
200
What is 48.67?
Round 48.6731 to the nearest hundredth.
200
What is 13/12 or 1 1/12?
Compute 5/6 + 1/4.
200
What is 8%?
Convert 0.08 to a percent.
200
What is 320,000?
Write 3.2 x 10^5 in standard form.
200
What are 1.25 and 5/4?
Write 125% as a decimal and as a fraction in lowest terms.
300
What is 16.128?
Add 3.45 + 0.078 + 12.6.
300
What is 13/24?
Compute 7/8 - 1/3.
300
What is 12?
Find 15% of 80.
300
What is 8 x 10^5?
Multiply (2 x 10^3)(4 x 10^2).
300
What is 16?
Evaluate 2.5% of 640.
400
What is 1.68?
Multiply 4.8 by 0.35.
400
What is 27?
Find 3/5 of 45.
400
What is $40?
A $50 item is discounted 20%. What is the sale price?
400
What is 3 x 10^5?
Divide 6 x 10^8 by 2 x 10^3.
400
What are 4.2 x 10^-6 and 0.00042%?
Express 0.0000042 in scientific notation and as a percent.
500
What is 120?
Divide 7.2 by 0.06.
500
What is 1 1/4 cups?
A recipe uses 2 1/2 cups of flour. How much flour is needed for half of the recipe?
500
What is 25%?
A quantity increases from 120 to 150. What is the percent increase?
500
What is 6.9 x 10^-2?
Which is greater: 7.1 x 10^-3 or 6.9 x 10^-2?
500
What is a 5% decrease?
A population drops from 80,000 to 76,000. What is the relative change?
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