Fractions
Decimals
Percents
Scientific Notation
Mixed Review
100
3/4
Simplify 6/8.
100
7/20
Write 0.35 as a fraction simplified.
100
0.25
Write 25% as a decimal.
100
4.2 x 10^3
Write 4,200 in scientific notation.
100
2/3
Order 0.5 and 2/3: which is larger?
200
3/4
Compute 1/2 + 1/4.
200
3.15
Round 3.146 to hundredths.
200
10
Find 20% of 50.
200
0.061
Write 6.1 x 10^-2 as a decimal.
200
25%
A price 40 to 50: percent increase?
300
3/5
Compute 2/3 x 9/10.
300
1.28
Compute 1.2 + 0.08.
300
25%
30 is what percent of 120?
300
5.2 x 10^-4
Write 0.00052 in scientific notation.
300
0.375
Convert 3/8 to a decimal.
400
7/12
Compute 5/6 - 1/4.
400
9
Compute 4.5 divided by 0.5.
400
92
Increase 80 by 15%.
400
6 x 10^5
Compute (2 x 10^3)(3 x 10^2).
400
60%
Convert 0.6 to a percent.
500
2
Compute 1 1/2 divided by 3/4.
500
4.5%
Write 0.045 as a percent.
500
25% decrease
From 200 to 150: percent change?
500
4 x 10^4
Compute (8 x 10^6)/(2 x 10^2).
500
1.87
Estimate 10% tip on 18.70.
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