Decimals
Fractions
Percents
Scientific Notation
Mixed Review
100
9/20
Write 0.45 as a fraction in simplest form.
100
2/3
Simplify 12/18.
100
0.35
Write 35% as a decimal.
100
32,000
Write 3.2 x 10^4 in standard form.
100
25%
Convert 1/4 to a percent.
200
0.08, 0.18, 0.8
Order from least to greatest: 0.8, 0.08, 0.18.
200
0.375
Convert 3/8 to a decimal.
200
62%
Write 0.62 as a percent.
200
5.6 x 10^-4
Write 0.00056 in scientific notation.
200
1.25
Write 125% as a decimal.
300
12.79
Round 12.786 to the nearest hundredth.
300
7/6 or 1 1/6
Compute 5/6 + 1/3.
300
12
Find 15% of 80.
300
6 x 10^5
Multiply (2 x 10^3)(3 x 10^2).
300
scientific notation
A number written as 6.02 x 10^23 uses this kind of notation.
400
4.35
Compute 3.75 + 0.6.
400
15
If 3/5 of 25 students passed, how many passed?
400
$30
A shirt costs $40 and is discounted 25%. What is the sale price?
400
2.5 x 10^4
Divide (7.5 x 10^6) by (3 x 10^2).
400
7/8 and 87.5%
Convert 0.875 to a fraction and a percent.
500
0.8
Compute 0.48 / 0.6.
500
7/12 < 5/8
Compare 7/12 and 5/8 using <, >, or =.
500
30%
A price rises from $50 to $65. Find the percent increase.
500
3.9 x 10^-2
Which is greater: 4.1 x 10^-3 or 3.9 x 10^-2?
500
15%
Gas drops from $4.20 to $3.57. Find the percent decrease.
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