Decimal Basics
Fraction Skills
Percents
Scientific Notation
Mixed Review
100
hundredths
In the decimal 4.582, the digit 8 is in this place.
100
3/8
Write 0.375 as a fraction in simplest form.
100
19.0 or 19
Round 18.967 to the nearest tenth.
100
3.987
Add 3.48 + 0.507.
100
$25.75
A price of $24.99 is increased by $0.76. What is the new price?
200
3/5
Simplify 12/20.
200
1 3/4
Convert 7/4 to a mixed number.
200
5/6
Add 2/3 + 1/6.
200
2/3
Multiply 3/5 × 10/9.
200
15/16
Divide 7/8 ÷ 14/15.
300
0.45
Write 45% as a decimal.
300
8%
Write 0.08 as a percent.
300
17
Find 25% of 68.
300
30%
18 is what percent of 60?
300
$68
An item is discounted 15% from $80. What is the sale price?
400
6.3 × 10^6
Write 6,300,000 in scientific notation.
400
0.0042
Write 4.2 × 10^-3 in decimal form.
400
6 × 10^5
Multiply (2 × 10^3)(3 × 10^2).
400
6.9 × 10^5
Which is greater: 7.1 × 10^4 or 6.9 × 10^5?
400
9.1 × 10^-7
Write 0.00000091 in scientific notation.
500
0.2 and 20%
Convert 1/5 to a decimal and a percent.
500
5/8
Which is larger: 0.6 or 5/8?
500
0.29, 3/10, 35%
Order from least to greatest: 35%, 0.29, 3/10.
500
5.5
Compute 2.75 ÷ 0.5.
500
5.6 × 10^-4 and 0.056%
A measurement is 0.00056 g. Write it in scientific notation and as a percent of 1 g.
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