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Decimals
Fractions
Percents
Scientific Notation
Mixed Skills
100
9/20
Write 0.45 as a fraction in simplest form.
100
83.3
Round 83.276 to the nearest tenth.
100
Thousandths
Place value of the 7 in 4.072.
100
3 1/2
Convert 3.5 to a mixed number.
100
0.08, 0.18, 0.8
Order least to greatest: 0.8, 0.08, 0.18
200
3/4
Simplify 18/24.
200
11/5
Convert 2 1/5 to an improper fraction.
200
3/4
Which is larger: 5/8 or 3/4?
200
1/2
Add 1/6 + 1/3.
200
2/5
Multiply 2/3 × 3/5.
300
0.25
25% written as a decimal.
300
30%
What percent is 18 out of 60?
300
92
Increase 80 by 15%.
300
30
Find 12% of 250.
300
20%
Price drops from $50 to $40. Percent decrease?
400
4.5 × 10^6
Write 4,500,000 in scientific notation.
400
0.00032
Write 3.2 × 10^-4 in decimal form.
400
Add
When multiplying powers of 10, exponents do what?
400
5.9 × 10^4
Which is greater: 6.1 × 10^3 or 5.9 × 10^4?
400
9.9 × 10^5
Round 9.876 × 10^5 to 2 significant figures.
500
87.5%
Convert 7/8 to a percent.
500
2400 mg
2.4 × 10^3 mg in standard form.
500
5 × 10^-3
Which is equivalent to 0.005?
500
$40
A shirt costs $32 after 20% discount. Original price?
500
0.875
Compute 0.75 + 1/8.