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Decimals
Fractions
Percents
Sci Notation
Mixed Skills
100
What is 9/20?
Write 0.45 as a fraction in simplest form.
100
What is 18.4?
Round 18.376 to the nearest tenth.
100
What is 0.05, 0.5, 0.505?
Order least to greatest: 0.5, 0.05, 0.505.
100
What is about $1?
A shirt costs $19.99 and tax is 7%. Estimate the tax to the nearest dollar.
100
What is 0.128?
Compute 3.2 × 0.04.
100
What is 3/4?
Simplify 18/24.
100
What is 7/3?
Convert 2 1/3 to an improper fraction.
100
What is 7/12?
Compute 5/6 − 1/4.
100
What is 8/3?
Find the reciprocal of 3/8.
100
What is 1 1/2 cups?
A recipe uses 3/4 cup sugar and is doubled. How much sugar is needed?
100
What is 0.35?
Convert 35% to a decimal.
100
What is 25%?
What percent of 80 is 20?
100
What is 36?
Find 15% of 240.
100
What is 15% decrease?
A phone price drops from $200 to $170. Find the percent decrease.
100
What is 25% increase?
Your score rises from 72 to 90. Find the percent increase (nearest percent).
100
What is 4,200?
Write 4.2 × 10^3 in standard form.
100
What is 5.6 × 10^-4?
Write 0.00056 in scientific notation.
100
What is 6 × 10^7?
Compute (3 × 10^4)(2 × 10^3).
100
What is 4.2 × 10^3?
Compute 8.4 × 10^5 ÷ 2 × 10^2 (interpret as (8.4×10^5)/(2×10^2)).
100
What is 8.9 × 10^-2?
Compare: which is greater, 9.1 × 10^-3 or 8.9 × 10^-2?
100
What is 0.6 and 60%?
Convert 3/5 to a decimal and percent.
100
What is 5/4?
Rewrite 125% as a fraction in simplest form.
100
What is 25%?
A population grows from 1.2 × 10^5 to 1.5 × 10^5. Percent increase?
100
What is 2?
Compute 0.75 ÷ (3/8).
100
What is 0.0024 g and 0.24%?
A lab sample is 2.4 × 10^-3 g. Write this decimal and then as a percent of 1 gram.