Decimals
Fractions
Percents
Sci. Notation
Mixed Review
100
45%
Write 0.45 as a percent.
100
1/3
Simplify 6/18.
100
20
What is 25% of 80?
100
4.5 × 10^6
Write 4,500,000 in scientific notation.
100
0.75
Convert 3/4 to a decimal.
200
12.79
Round 12.786 to the nearest hundredth.
200
0.625
Write 5/8 as a decimal.
200
55
Increase 50 by 10%. What is the new value?
200
0.00032
Write 3.2 × 10^-4 in decimal form.
200
8%
Convert 0.08 to a percent.
300
0.05, 0.5, 0.55
Order from least to greatest: 0.5, 0.05, 0.55.
300
16
Find 2/3 of 24.
300
$6
A shirt costs $40 and is discounted 15%. What is the discount amount?
300
6.9 × 10^4
Which number is larger: 7.1 × 10^3 or 6.9 × 10^4?
300
1.25
Write 125% as a decimal.
400
5.73
Subtract: 9.2 − 3.47.
400
5/8
Add: 1/4 + 3/8.
400
16%
What percent of 50 is 8?
400
9.1 × 10^-5
Write 0.000091 in scientific notation.
400
3/8
Convert 0.375 to a fraction in simplest form.
500
0.024
Multiply: 0.6 × 0.04.
500
2/3
Divide: 3/5 ÷ 9/10.
500
$6
Sales tax is 8% on a $75 purchase. How much is the tax?
500
6 × 10^5
Multiply: (2 × 10^3)(3 × 10^2).
500
25%
A number increases from 40 to 50. What is the percent increase?
M
e
n
u