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Decimals
Fractions
Percents
Scientific Notation
Mixed Review
100
12.5
Round 12.478 to the nearest tenth.
100
3.528
Compute 3.45 + 0.078.
100
4.53
Compute 8.2 - 3.67.
100
0.024
Compute 0.6 × 0.04.
100
42
Compute 5.04 ÷ 0.12.
100
2/3
Simplify 12/18.
100
7/4
Write 1 3/4 as an improper fraction.
100
7/10
Compute 2/5 + 3/10.
100
2/3
Compute 3/4 × 8/9.
100
1
Compute 5/6 ÷ 10/12.
100
0.35
Write 35% as a decimal.
100
8%
Write 0.08 as a percent.
100
12
Find 15% of 80.
100
25%
A shirt drops from $40 to $30. What is the percent decrease?
100
$3.60
Sales tax is 7.5% on a $48 purchase. What is the tax amount?
100
4.5 × 10^6
Write 4,500,000 in scientific notation.
100
7.2 × 10^-4
Write 0.00072 in scientific notation.
100
630,000
Write 6.3 × 10^5 in standard form.
100
6 × 10^7
Compute (2 × 10^3)(3 × 10^4).
100
4 × 10^-5
Compute (8 × 10^-2) ÷ (2 × 10^3).
100
38%, 0.4 = 2/5
Order these from least to greatest: 0.4, 38%, 2/5.
100
0.65
Which is greater: 0.65 or 5/8?
100
3/8 cup
A recipe uses 3/4 cup of sugar. You make half the recipe. How much sugar do you need?
100
75%
18 is what percent of 24?
100
0.045%
Write 0.00045 as a percent.