Fractions & Decimals
Percent Basics
Relative Change
Scientific Notation
Mixed Review
100
0.75
Write 3/4 as a decimal.
100
1/8
Write 0.125 as a fraction in simplest form.
100
0.6 and 60% tie for least, then 5/8
Order these from least to greatest: 0.6, 5/8, 60%.
100
4/3 cups, or 1 1/3 cups
A recipe uses 2/3 cup of milk. If you double it, how much milk is needed?
100
5/6
Compute 7/12 + 1/4.
100
0.25
Write 25% as a decimal.
100
30%
18 is what percent of 60?
100
36
Find 15% of 240.
100
$60
A jacket costs $80 and is 25% off. What is the sale price?
100
84%
A student answered 42 out of 50 correctly. What is the percent score?
100
20% increase
A quantity changes from 50 to 60. What is the percent change?
100
25% decrease
A price changes from $200 to $150. What is the percent change?
100
15% increase
A town grows from 12,000 people to 13,800 people. What is the percent change?
100
25% decrease
A phone bill drops from $72 to $54. What is the percent change?
100
80
After a 10% increase, a quantity is 88. What was the original amount?
100
4.5 x 10^6
Write 4,500,000 in scientific notation.
100
7.2 x 10^-4
Write 0.00072 in scientific notation.
100
6 x 10^8
Multiply: (3 x 10^5)(2 x 10^3).
100
4 x 10^5
Divide: (8.4 x 10^7) / (2.1 x 10^2).
100
9.1 x 10^-8
Write 0.000000091 in scientific notation.
100
0.025
Convert 2.5% to a decimal.
100
7/10
Which is larger: 7/10 or 68%?
100
100% increase
If a quantity doubles, what is the relative change?
100
1200
Write 1.2 x 10^3 in standard form.
100
37.5%
Convert 0.375 to a percent.
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