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Decimals
Fractions
Percents
Scientific Notation
Mixed Practice
100
3/8
Write 0.375 as a fraction in simplest form.
100
1 1/4
Convert 5/4 to a mixed number.
100
0.45
Write 45% as a decimal.
100
4.5 × 10^6
Write 4,500,000 in scientific notation.
100
12.5%
0.125 is what percent?
200
0.07, 0.7, 0.707
Order 0.7, 0.07, and 0.707 from least to greatest.
200
3/4
Simplify 18/24.
200
8%
Write 0.08 as a percent.
200
0.0062
Write 6.2 × 10^-3 in standard form.
200
7/8
Which is larger: 7/8 or 0.82?
300
12.49
Round 12.486 to the nearest hundredth.
300
5/6
Add 2/3 + 1/6.
300
60%
Write 3/5 as a percent.
300
6 × 10^7
Multiply (3 × 10^4)(2 × 10^3).
300
$45
A $60 item is 25% off. What is the sale price?
400
4.638
Add 4.56 + 0.078.
400
2/3
Multiply 3/5 × 10/9.
400
12
Find 15% of 80.
400
4.2 × 10^3
Divide (8.4 × 10^5) ÷ (2 × 10^2).
400
5.6 × 10^-4
Write 0.00056 in scientific notation.
500
0.10 or 0.1
Multiply 2.5 × 0.04.
500
7/2 or 3 1/2
Divide 7/8 ÷ 1/4.
500
30%
A price rises from $50 to $65. Find the percent increase.
500
6.9 × 10^-3
Which is greater: 7.1 × 10^-4 or 6.9 × 10^-3?
500
1/4 cup
A recipe needs 3/4 cup of sugar. If 0.5 cup is already added, how much more is needed?