Decimals
Fractions
Percents
Scientific Notation
Mixed Skills
100
9/20
Write 0.45 as a fraction in simplest form.
100
18.76
Round 18.764 to the nearest hundredth.
100
0.05, 0.5, 0.505
Order from least to greatest: 0.5, 0.05, 0.505.
100
0.9
Compute 3.6 × 0.25.
100
0.875
A student scored 17.5 out of 20. Write the decimal score.
200
2/3
Simplify 12/18.
200
5/8
Add 1/4 + 3/8.
200
7/12
Subtract 5/6 − 1/4.
200
2/3
Multiply 3/5 × 10/9.
200
3/16
Divide 7/8 by 14/3.
300
0.35
Write 35% as a decimal.
300
82%
Write 0.82 as a percent.
300
36
Find 15% of 240.
300
15%
A jacket drops from $80 to $68. What is the percent decrease?
300
75%
42 is what percent of 56?
400
4.5 × 10^3
Write 4,500 in scientific notation.
400
7.2 × 10^-4
Write 0.00072 in scientific notation.
400
310,000
Write 3.1 × 10^5 in standard form.
400
6 × 10^7
Multiply (2 × 10^3)(3 × 10^4).
400
4.2 × 10^4
Divide 8.4 × 10^6 by 2 × 10^2.
500
0.6 and 60%
Convert 3/5 to a decimal and a percent.
500
30%
A number increases from 50 to 65. What is the percent increase?
500
3/8
Which is larger: 0.37 or 3/8?
500
1.25 and 5/4
Write 125% as a decimal and a fraction.
500
4.5 × 10^-5
A bacteria count of 0.000045 is best written in scientific notation as what?
M
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