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Fractions
Decimals
Percents
Sci. Not.
Applications
100
Simplify 12/18 to lowest terms.
What is 2/3?
100
Round 3.487 to the nearest hundredth.
What is 3.49?
100
Find 25% of 80.
What is 20?
100
Write 450,000 in scientific notation.
What is 4.5 × 10^5?
100
A price rises from $20 to $25. Find the percent increase.
What is 25%?
200
Convert 3/4 to a decimal.
What is 0.75?
200
Convert 0.045 to a percent.
What is 4.5%?
200
18 is what percent of 60?
What is 30%?
200
Write 3.2 × 10^-4 in decimal form.
What is 0.00032?
200
A lab sample weighs 0.00056 g. Write this in scientific notation.
What is 5.6 × 10^-4 g?
300
Convert 0.125 to a fraction in simplest form.
What is 1/8?
300
Compute 12.6 + 0.89.
What is 13.49?
300
Increase from 50 to 65. Find the percent increase.
What is 30%?
300
Multiply (2 × 10^3)(4 × 10^2).
What is 8 × 10^5?
300
Convert 2.5% to decimal form.
What is 0.025?
400
Which is greater: 5/8 or 0.6?
What is 5/8 (0.625)?
400
Compute 5.2 × 0.3.
What is 1.56?
400
A $40 item is discounted 15%. Find the sale price.
What is $34?
400
Which is greater: 6.1 × 10^8 or 5.9 × 10^9?
What is 5.9 × 10^9?
400
Write 0.375 as a percent and as a fraction in simplest form.
What is 37.5% and 3/8?
500
A recipe uses 3/4 cup of sugar. How much is needed for half the recipe?
What is 3/8 cup?
500
Compute 14.7 ÷ 0.7.
What is 21?
500
Find 8% sales tax on a $125 purchase.
What is $10?
500
Write 7.4 billion in scientific notation.
What is 7.4 × 10^9?
500
3 out of 40 students prefer online tutoring. Write this as a percent.
What is 7.5%?