Decimals
Fractions
Percents
Conversions
Scientific Notation
100
9/20
Write 0.45 as a fraction in simplest form.
100
0.07, 0.7, 0.707
Order from least to greatest: 0.7, 0.07, 0.707.
100
4.189
Compute 3.48 + 0.709.
100
1.68
Compute 5.6 × 0.3.
100
$26.49
A shirt costs $24.99 and sales tax is $1.50. What is the total cost?
100
2/3
Simplify 12/18.
100
7/8
Compute 3/4 + 1/8.
100
7/12
Compute 5/6 - 1/4.
100
3/5
Compute 2/3 × 9/10.
100
4/3 or 1 1/3
Compute 3/5 ÷ 9/20.
100
0.45
Write 45% as a decimal.
100
8%
Write 0.08 as a percent.
100
12
Find 15% of 80.
100
25%
30 is what percent of 120?
100
$40
A $50 item is discounted 20%. What is the sale price?
100
0.6 and 60%
Write 3/5 as a decimal and a percent.
100
1/8 and 12.5%
Write 0.125 as a fraction and a percent.
100
2.5 and 5/2
Write 250% as a decimal and a fraction.
100
2/3
Which is greatest: 2/3, 0.6, or 65%?
100
3/4, 0.75, 75%
18 out of 24 students passed. Write the passing rate as a fraction, decimal, and percent.
100
4.5 × 10^3
Write 4,500 in scientific notation.
100
0.00062
Write 6.2 × 10^-4 in decimal form.
100
6 × 10^8
Compute (3 × 10^5)(2 × 10^3).
100
4.2 × 10^5
Compute (8.4 × 10^7) ÷ (2 × 10^2).
100
20 times
A bacterium is 3.5 × 10^-6 m long and a hair is 7 × 10^-5 m thick. About how many times thicker is the hair?