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Decimals
Fractions
Percents
Scientific Notation
Mixed
100
2/5
Write 0.4 as a fraction in lowest terms.
100
3/4
Reduce 6/8.
100
27%
Write 0.27 as a percent.
100
5 × 10^3
Write 5000 in scientific notation.
100
60%
Convert 3/5 to a percent.
200
1.55
Compute 1.2 + 0.35.
200
1/2
Compute 1/3 + 1/6.
200
9
Find 20% of 45.
200
0.032
Write 3.2 × 10^-2 in standard form.
200
0.12
Convert 12% to a decimal.
300
0.048
Compute 0.6 × 0.08.
300
5/8
Compute 3/4 - 1/8.
300
25%
15 is what percent of 60?
300
8 × 10^5
Compute (2×10^3)(4×10^2).
300
2/3
Order smaller: 0.7 or 2/3.
400
3.15
Round 3.146 to hundredths.
400
3/5
Compute 2/3 × 9/10.
400
92
Increase 80 by 15%.
400
3 × 10^3
Compute (6×10^5)/(2×10^2).
400
176
Decrease 200 by 12%.
500
30
Compute 4.5 ÷ 0.15.
500
3/4
Compute 5/6 ÷ 10/9.
500
30%
Price goes 50 to 65; percent increase?
500
4.5 × 10^-4
Write 0.00045 in scientific notation.
500
15% decrease
Population 40 to 34: percent change.