Decimals/Fractions
Percents
Scientific Notation
Percent Change
Mixed Practice
100
0.75
Write 3/4 as a decimal.
100
0.45
Convert 45% to a decimal.
100
4.5 x 10^6
Write 4,500,000 in scientific notation.
100
25% increase
Original price $80, new price $100. Percent change?
100
1/8
Convert 0.125 to a fraction in simplest form.
200
3/50
Convert 0.06 to a fraction in simplest form.
200
30%
What percent is 18 out of 60?
200
9.2 x 10^-4
Write 0.00092 in scientific notation.
200
30% decrease
A value drops from 50 to 35. Percent change?
200
38%, 0.4 and 2/5 (tie at 40%)
Order least to greatest: 0.4, 38%, 2/5.
300
0.35 and 35%
Convert 7/20 to a decimal and percent.
300
36
Find 15% of 240.
300
6.4 x 10^7
Compute (3.2 x 10^5)(2 x 10^2).
300
15% increase
Population rises from 1200 to 1380. Percent increase?
300
$40
A shirt is discounted 20% from $50. Sale price?
400
15/8
Convert 1.875 to a fraction in simplest form.
400
25%
The part is 42 and the total is 168. What percent?
400
3 x 10^-5
(6 x 10^-3) / (2 x 10^2) in scientific notation.
400
220
An amount decreases by 12% from 250. New amount?
400
0.75%
0.0075 as a percent.
500
5/16 cup
A recipe uses 2.5 cups for 8 servings. Fractional cups for 1 serving?
500
$55.20
After a 15% tip, a $48 meal costs how much?
500
9010
Write 9.01 x 10^3 in standard form.
500
(new - original) / original
Relative change formula in words?
500
2.5% decrease
A stock from $40 to $34 then to $39: overall percent change from start?
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