Decimal Basics
Fractions
Percents
Scientific Notation
Mixed Review
100
3/4
Write 0.75 as a fraction in simplest form.
100
2/3
Simplify 12/18 to lowest terms.
100
0.25
25% written as a decimal is what number?
100
4.5 × 10^6
Write 4,500,000 in scientific notation.
100
3/8, 0.4, 42%
Order from least to greatest: 0.4, 3/8, 42%.
200
6.5
Round 6.487 to the nearest tenth.
200
0.625
Convert 5/8 to a decimal.
200
30
What is 15% of 200?
200
0.00032
Write 3.2 × 10^-4 in standard notation.
200
12.5%
Convert 0.125 to a percent.
300
3.08
Add: 2.7 + 0.38
300
8/5
Convert 1 3/5 to an improper fraction.
300
80%
72 is what percent of 90?
300
4.9 × 10^4
Which is greater: 5.1 × 10^3 or 4.9 × 10^4?
300
35%
Convert 7/20 to a percent.
400
6.522
Subtract: 10.00 - 3.478
400
5/6
Add: 2/3 + 1/6
400
20%
A price rises from $50 to $60. What is the percent increase?
400
8 × 10^5
Multiply: (2 × 10^3)(4 × 10^2)
400
9.1 × 10^-7
Write 0.00000091 in scientific notation.
500
75%
A student answered 18 out of 24 questions correctly. What percent is that?
500
2 3/8
Convert 2.375 to a mixed number in simplest form.
500
$56
A sweater is discounted 30% from $80. What is the sale price?
500
2 × 10^6
Divide: 6 × 10^8 by 3 × 10^2
500
3/8 cup
A recipe calls for 3/4 cup sugar, but you make half the recipe. How much sugar is needed?
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