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Decimals
Fractions
Percents
Scientific Notation
Percent Change
100
45%
Convert 0.45 to a percent.
100
0.75
Write 3/4 as a decimal.
100
30
Find 20% of 150.
100
4.5 x 10^4
Write 45,000 in scientific notation.
100
20%
A price rises from 50 to 60. Find the percent increase.
200
0.125
Convert 12.5% to a decimal.
200
0.875
Write 7/8 as a decimal.
200
20%
40 is what percent of 200?
200
6.2 x 10^-4
Write 0.00062 in scientific notation.
200
15%
A value drops from 80 to 68. Find the percent decrease.
300
3.9
Round 3.876 to the nearest tenth.
300
3/4
Simplify 18/24.
300
7%
Convert 0.07 to a percent.
300
310000
Write 3.1 x 10^5 in standard notation.
300
20% increase
Original price 25, new price 30. Percent change?
400
3.25
Add 2.5 + 0.75.
400
5/2
Convert 2 1/2 to an improper fraction.
400
12
15% of 80 equals what number?
400
7.2 x 10^6
Write 7,200,000 in scientific notation.
400
25% decrease
Original 120, new 90. Percent change?
500
3/1000
Write 0.003 as a fraction in simplest form.
500
0.45
Order from least to greatest: 1/2, 0.45, 60%. Which is smallest?
500
500
25 is 5% of what number?
500
6 x 10^5
Multiply (2 x 10^3)(3 x 10^2).
500
25%
A quantity goes from 200 to 250. Percent increase?