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Decimals
Fractions
Percents
Sci. Notation
Mixed Review
100
12.5
Round 12.478 to the nearest tenth.
100
0.75
Write 3/4 as a decimal.
100
0.25
Write 25% as a decimal.
100
4.5 × 10^6
Write 4,500,000 in scientific notation.
100
0.2 and 20%
Give the decimal and percent forms of 1/5.
200
4.5%
Write 0.045 as a percent.
200
2/3
Simplify 12/18.
200
30%
18 is what percent of 60?
200
62,000
Write 6.2 × 10^4 in standard form.
200
7/8
Write 0.875 as a fraction in simplest form.
300
0.67, 0.7, 0.707
Order from least to greatest: 0.7, 0.67, 0.707.
300
1/2
Add 1/6 + 1/3.
300
$4.80
Find a 15% tip on a $32 meal.
300
2.9 × 10^6
Which is greater: 3.1 × 10^5 or 2.9 × 10^6?
300
15%
School enrollment increased from 800 to 920. What is the percent increase?
400
3.929
Add 3.85 + 0.079.
400
5/8
Which is greater: 5/8 or 0.6?
400
$52
An $80 item is discounted 35%. What is the sale price?
400
6 × 10^7
Multiply (2 × 10^3)(3 × 10^4).
400
24
Find 3/8 of 64.
500
1.47
Multiply 4.2 × 0.35.
500
3/8 cup
A recipe uses 3/4 cup sugar. For half a recipe, how much sugar is needed?
500
25%
A value changes from 240 to 300. What is the percent increase?
500
8.1 × 10^-7
Write 0.00000081 in scientific notation.
500
45%
Which is greatest: 45%, 0.43, or 7/16?