Decimals
Fractions
Percents
Sci. Notation
Mixed Review
100
9/20
Write 0.45 as a fraction in simplest form.
100
5/6
Find 2/3 + 1/6.
100
0.25
Write 25% as a decimal.
100
4.5 × 10^3
Write 4,500 in scientific notation.
100
20%
Convert 1/5 to a percent.
200
0.07, 0.7, 0.707
Order from least to greatest: 0.7, 0.07, 0.707.
200
15
What is 3/4 of 20?
200
80%
Write 0.8 as a percent.
200
7.2 × 10^-4
Write 0.00072 in scientific notation.
200
1.25 and 5/4
Convert 125% to a decimal and a fraction.
300
12.5
Round 12.486 to the nearest tenth.
300
3/4
Simplify 18/24.
300
9
Find 15% of 60.
300
310,000
Write 3.1 × 10^5 in standard form.
300
5/8
Which is greater: 0.6 or 5/8?
400
0.375
Convert 3/8 to a decimal.
400
7/12
Find 5/6 - 1/4.
400
$30
A $40 shirt is discounted 25%. What is the sale price?
400
4.9 × 10^5
Which is greater: 5.2 × 10^4 or 4.9 × 10^5?
400
9 × 10^-5 and 0.009%
Write 0.00009 in scientific notation and as a percent.
500
4.818
Add 4.75 + 0.068.
500
2/3
Divide 3/5 by 9/10.
500
30%
A value rises from 50 to 65. What is the percent increase?
500
6 × 10^5
Multiply (2 × 10^3)(3 × 10^2).
500
25,000 grams and 25 kg
A sample weighs 2.5 × 10^4 grams. Write this in standard form and kilograms.
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