Decimals
Fractions
Percents
Scientific notation
Mixed
100
Write 0.45 as a fraction in lowest terms.
9/20
100
Simplify 6/8.
3/4
100
Write 25% as a decimal.
0.25
100
Write 45000 in scientific notation.
4.5 × 10^4
100
Convert 0.125 to percent.
12.5%
200
Round 3.146 to hundredths.
3.15
200
Compute 1/3 + 1/6.
1/2
200
Find 15% of 80.
12
200
Write 3.2×10^-3 as decimal.
0.0032
200
Order: 1/2 vs 0.48 (larger).
1/2
300
Compute 1.2 + 0.08.
1.28
300
Compute 3/4 − 1/8.
5/8
300
What percent is 18 of 24?
75%
300
Compute (2×10^3)(4×10^2).
8×10^5
300
Decrease 200 by 7%.
186
400
Compute 0.6 × 0.3.
0.18
400
Compute 2/3 × 9/10.
3/5
400
Increase 50 by 20%.
60
400
Compute (6×10^5)/(2×10^2).
3×10^3
400
Write 3.04×10^2 as decimal.
304
500
Compute 4.5 ÷ 0.15.
30
500
Compute 5/6 ÷ 10/9.
3/4
500
Percent change from 40 to 34 (state decrease).
15% decrease
500
Express 0.000072 in scientific notation.
7.2 × 10^-5
500
Tax 8% on $25; total.
$27
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