Fractions
Decimals
Percents
Scientific Notation
Mixed Review
100
3/4
Simplify 6/8.
100
2/5
Write 0.4 as a fraction in simplest form.
100
0.35
Convert 35% to a decimal.
100
4.5 × 10^3
Write 4,500 in scientific notation.
100
5/8
Which is larger: 0.6 or 5/8?
200
1/2
1/3 + 1/6
200
3.15
Round 3.146 to hundredths.
200
8%
Write 0.08 as a percent.
200
0.002
Write 2 × 10^-3 as a decimal.
200
20%
Convert 1/5 to a percent.
300
15
3/4 of 20
300
0.2
0.25 × 0.8
300
9
Find 20% of 45.
300
6 × 10^6
(3 × 10^4)(2 × 10^2)
300
5.2 × 10^-4
Write 0.00052 in scientific notation.
400
7/12
5/6 - 1/4
400
0.875
Convert 7/8 to a decimal.
400
55
Increase 50 by 10%.
400
710,000
Write 7.1 × 10^5 in standard form.
400
170
Decrease 200 by 15%.
500
5/6
2/3 ÷ 4/5
500
40
1.2 ÷ 0.03
500
25% increase
Percent change from 80 to 100.
500
4 × 10^4
(8 × 10^6)/(2 × 10^2)
500
25% decrease
Percent change 60 to 45.
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