Decimals
Fractions
Percents
Scientific Notation
Mixed Applications
100
9/20
Write 0.45 as a fraction in simplest form.
100
12.49
Round 12.487 to the nearest hundredth.
100
0.06, 0.6, 0.606
Order from least to greatest: 0.6, 0.06, 0.606.
100
About $21
A shirt costs $19.99 plus 7% tax. Estimate the total to the nearest dollar.
100
3.8 × 10^-4
Convert 0.00038 to scientific notation.
100
0.75
Convert 3/4 to a decimal.
100
3/4
Simplify 18/24.
100
1/2
Add 2/5 + 1/10.
100
35
Find 5/6 of 42.
100
1/3 cup
A recipe calls for 2/3 cup sugar but you are making half a batch. How much sugar is needed?
100
0.35
Convert 35% to a decimal.
100
8%
Convert 0.08 to a percent.
100
36
Find 15% of 240.
100
24% increase
A price increases from $50 to $62. What is the percent increase?
100
14.3% decrease
A test score drops from 84 to 72. What is the percent decrease (nearest tenth)?
100
4,200
Write 4.2 × 10^3 in standard form.
100
9.1 × 10^-4
Write 0.00091 in scientific notation.
100
6 × 10^8
Multiply (3 × 10^5)(2 × 10^3).
100
4 × 10^4
Divide (8 × 10^6) ÷ (2 × 10^2).
100
6.9 × 10^5
Which is greater: 7.2 × 10^4 or 6.9 × 10^5?
100
40%
A class has 12 girls and 18 boys. What percent of the class are girls?
100
5/4 and 125%
Convert 1.25 to a fraction and percent.
100
$400
A tablet costs $320 after a 20% discount. What was the original price?
100
10% increase
A population increased from 48,000 to 52,800. What is the percent change?
100
0.625, 62.5%, 6.25 × 10^-1
Express 5/8 as a decimal, percent, and scientific notation equivalent (decimal form in sci notation).
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