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Decimals
Fractions
Percents
Scientific Notation
Mixed Review
100
What is 3/4?
0.75 written as a fraction in simplest form.
100
What is 12.49?
Round 12.487 to the nearest hundredth.
100
What is 3.77?
3.5 + 0.27
100
What is 2.254?
5.04 - 2.786
100
What is 0.04, 0.4, 0.404?
Order least to greatest: 0.4, 0.04, 0.404.
100
What is 5/6?
2/3 + 1/6
100
What is 15?
3/4 of 20
100
What is 3/4?
Simplify 18/24.
100
What is 0.875?
Convert 7/8 to a decimal.
100
What is 2?
1 1/2 ÷ 3/4
100
What is 0.25?
25% as a decimal
100
What is 60%?
0.6 as a percent
100
What is 12?
15% of 80
100
What is $40?
A $50 item is discounted 20%. Find the sale price.
100
What is 25%?
A quantity rises from 40 to 50. Find the percent increase.
100
What is 4.5 × 10^4?
Write 45,000 in scientific notation.
100
What is 3.2 × 10^-4?
Write 0.00032 in scientific notation.
100
What is 6 × 10^5?
(2 × 10^3)(3 × 10^2)
100
What is 720,000?
Write 7.2 × 10^5 in standard form.
100
What is 4.2 × 10^4?
(8.4 × 10^6) ÷ (2 × 10^2)
100
What is 60%?
3/5 as a percent
100
What is 155?
62% of 250
100
What is 1/8?
Convert 0.125 to a fraction in simplest form.
100
What is 2.1 × 10^-3?
Which is greater: 2.1 × 10^-3 or 0.0019?
100
What is 4.5 × 10^-5 kg and 50%?
A sample has mass 0.000045 kg. Write it in scientific notation and state what percent it is of 0.00009 kg.