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Write as a Decimal
Write as a Percent
Write as a Fraction
Problem Solving I
Percent of a Number
100
Write as a decimal: 90%
What is

0.9 or 0.90
100
Write \[\frac{3}{{10}}\] as a percent.
What is \[\frac{3}{{10}} = \frac{{30}}{{100}} = 30\% \]
100
Write 45% as a fraction in simplest form.
What is \[\frac{{45}}{{100}} = \frac{9}{{20}}\]
100
Five eighths of the school is comprised of females. Express this amount as a percent - rounded to the nearest whole percent.
What is 62.5% or about 63% females.
100
Find 35% of 75. The decimal terminates, but you may round to the nearest whole number.
What is 26.25 or about 26.
200
Write 4% as a decimal.
What is 0.04
200
Write the decimal 0.598 as a percent.
What is:

\[\frac{{598}}{{1000}} = \frac{{59.8}}{{100}} = 59.8\% \approx 60\% \]
200
Write 68% as a fraction in simplest form.
What is \[\frac{{68}}{{100}} = \frac{{17}}{{25}}\]68/100
200
The National History Museum has collected 125 dinosaurs. George has collected 60% of this amount. How many dinosaurs has George collected?
What is 75 dinosaurs.
200
A person standing on the moon would weigh 16% of his weight on Earth. If Astro Knot weighs 150 pounds on Earth, how much would he weigh on the moon?
What is 24 pounds.
300
Write 115% as a decimal.
What is \[\frac{{115}}{{100}} = 1.15\]
300
Write the fraction \[\frac{1}{7}\] as a percent. Round to the nearest whole percent.
What is about 14.3% or 14%.
300
Write as a fraction in simplest form: 0.64
What is:

\[\frac{{64}}{{100}} = \frac{{16}}{{25}}\]
300
Annie has already read 10 out of the 22 books on her summer reading list. What percent of the books on her list has she read already?
What is about 45.5% or about 45%.
300
Mrs. Smith spent $35 on a manicure. How much money should she leave for a 15% tip?
What is $5.25.
400
Write 79.7% as a decimal.
What is \[\frac{{79.7}}{{100}} = 0.797\]
400
Write as a percent: 0.035
What is

3.5% or about 4%
400
Write 186% as a fraction in simplest form.
What is \[\frac{{186}}{{100}} = 1\frac{{86}}{{100}} = 1\frac{{43}}{{50}}\]
400
The Student Council attended a formal luncheon on Wednesday afternoon. For lunch, 14 out of the 33 members chose milk to drink. To the nearest percent, what percent of the students chose milk?
What is \[\frac{{14}}{{33}} \approx 42.4\% \approx 42\% \]
400
The tallest man ever recorded was Robert Wadlow, who was 272 cm tall (100 cm = 1 m). The tallest woman on record was Zeng Jinlian. Her height was 91% of Robert Wadlow's height. How tall was Zeng Jinlian? Round your answer to the nearest cm or whole number.
What is 247.52 cm or about 248 cm.
500
Melissa has finished four-sevenths of her homework. Write the fraction as a decimal - rounded to the nearest hundredth - and as a percent.
What is:

about 0.57 or 57%.
500
Fourteen out of the top thirty all-time grossing children’s films were animated films. Write this amount as a percent - rounded to the nearest whole percent.
What is:

about 47% were animated films.
500
Write 155% as a fraction in simplest form.
What is \[\frac{{155}}{{100}} = 1\frac{{55}}{{100}} = 1\frac{{11}}{{20}}\]
500
Video games are on sale for 35% off. If a particular game regularly sells for $99.50, what is the sale price?
The discount is 35% of $99.50. This is $34.825 or $34.83.

The sale price is the regular price MINUS the amount of discount.

The sale price is $99.50 - $34.83 = $64.67.
500
During the M&M Math Activity, Jacob had a 13 blue M&M's out of a total of 55 M&M's. How many degrees in a circle graph would the blue sector or central angle represent?
What is:

The blue M&M's make up about 24% of the bag.

To calculate the number of degrees in a circle graph, find 24% of 360 (because there's 360 degrees in a circle).

The blue sector represents 86.4 degrees or about 86 degrees.