Decimals
Fractions
Percents
Scientific Notation
Mixed Review
100
9/200
Write 0.045 as a fraction in simplest form.
100
0.75
Write 3/4 as a decimal.
100
0.35
Write 35% as a decimal.
100
4.5 × 10^3
Write 4,500 in scientific notation.
100
0.6
Which is greater: 0.6 or 58%?
200
12.79
Round 12.786 to the nearest hundredth.
200
1/8
Write 0.125 as a fraction in simplest form.
200
40%
Write 0.4 as a percent.
200
7.2 × 10^-4
Write 0.00072 in scientific notation.
200
62.5%
Write 5/8 as a percent.
300
3.528
Add 3.45 + 0.078.
300
12
Find 2/3 of 18.
300
12
Find 15% of 80.
300
620,000
Write 6.2 × 10^5 in standard form.
300
3.1 × 10^-7
Write 0.00000031 in scientific notation.
400
0.05, 0.5, 0.505
Order 0.5, 0.05, and 0.505 from least to greatest.
400
13/12 or 1 1/12
Add 5/6 + 1/4 and simplify.
400
40%
12 is what percent of 30?
400
6 × 10^7
Multiply (3 × 10^4)(2 × 10^3).
400
0.025
Write 2.5% as a decimal.
500
0.024
Multiply 0.06 × 0.4.
500
7/4 or 1 3/4
Divide 7/8 by 1/2.
500
$45
A $60 item is discounted 25%. What is the sale price?
500
3.2 × 10^5
Divide 9.6 × 10^7 by 3 × 10^2.
500
90%
A student answers 18 out of 20 correctly. What percent is that?
M
e
n
u