Decimals
Fractions
Percents
Scientific Notation
Mixed Skills
100
What is 9/20?
Write 0.45 as a fraction in simplest form.
100
What is 18.8?
Round 18.763 to the nearest tenth.
100
What is 4.08?
Compute 3.6 + 0.48.
100
What is 0.07 < 0.7 < 0.707?
Order from least to greatest: 0.07, 0.7, 0.707.
100
What is $6.05?
A notebook costs $4.25 and a pen costs $1.80. Total cost?
200
What is 0.75?
Convert 3/4 to a decimal.
200
What is 1/8?
Convert 0.125 to a fraction in simplest form.
200
What is 5/8 (0.625) is larger?
Which is larger: 5/8 or 0.6?
200
What is 5/6?
Add 2/3 + 1/6.
200
What is 3/10 cup?
A recipe uses 3/5 cup sugar; you make half the recipe. How much sugar?
300
What is 32%?
Convert 0.32 to a percent.
300
What is 0.45?
Convert 45% to a decimal.
300
What is 45?
Find 18% of 250.
300
What is 25%?
A shirt is discounted from $40 to $30. Percent decrease?
300
What is $5.10?
Tax is 7.5% on a $68 purchase. Tax amount?
400
What is 4.5 × 10^6?
Write 4,500,000 in scientific notation.
400
What is 3.9 × 10^-4?
Write 0.00039 in scientific notation.
400
What is 6,200?
Convert 6.2 × 10^3 to standard form.
400
What is 6 × 10^6?
Multiply (2 × 10^4)(3 × 10^2).
400
What is 1 × 10^-2?
Which is greater: 9 × 10^-3 or 1 × 10^-2?
500
What is a 15% increase?
A value increases from 80 to 92. Percent change?
500
What is 0.025 and 1/40?
Convert 2.5% to a decimal and fraction.
500
What is 320,000?
A bacteria count is 3.2 × 10^5. About how many bacteria is that?
500
What is false (each pays 25%)?
A bill is split equally among 4 people. Each pays 12.5% of the total. True or false?
500
What is about 20.47?
Estimate 19.98 + 3/8 + 7%. (Use 20 + 0.4 + 0.07)
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