Decimals
Fractions
Percents
Sci. Notation
Mixed Skills
100
3/8
Write 0.375 as a fraction in simplest form.
100
18.76
Round 18.764 to the nearest hundredth.
100
5.75
Convert 5 3/4 to a decimal.
100
0.05, 0.5, 0.505
Order from least to greatest: 0.5, 0.05, 0.505.
100
6.35 lb
A café sold 2.75 lb of coffee on Monday and 3.60 lb on Tuesday. How many pounds in all?
200
2/3
Simplify 12/18.
200
7/8
Compute 3/4 + 1/8.
200
7/12
Compute 5/6 - 1/4.
200
30
Find 2/3 of 45.
200
2/3
Compute (3/5) ÷ (9/10).
300
0.45
Write 45% as a decimal.
300
12
Find 15% of 80.
300
40%
24 is what percent of 60?
300
$40
A $50 item is discounted 20%. What is the sale price?
300
16%
A population rises from 250 to 290. What is the percent increase?
400
5.6 × 10^4
Write 56,000 in scientific notation.
400
0.0032
Write 3.2 × 10^-3 in standard form.
400
6 × 10^7
Multiply: (2 × 10^5)(3 × 10^2).
400
6.9 × 10^7
Which is greater: 7.1 × 10^6 or 6.9 × 10^7?
400
4.5 × 10^-5
Write 0.000045 in scientific notation.
500
10%
Gas rises from $3.20 to $3.52 per gallon. What is the percent increase?
500
3
A recipe uses 0.75 cup of sugar. If you only have a 1/4-cup measure, how many 1/4 cups do you need?
500
75%
You scored 18 out of 24 on a quiz. What percent did you earn?
500
0.0000065 meters
A cell is 6.5 × 10^-6 meters long. Write this in decimal form.
500
0.35 and 35%
Convert 7/20 to both a decimal and a percent.
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