PercentageConcept One

What Does Percent Mean?

Percent means “out of 100”. So 41% is like saying 41 parts out of 100.

Imagine a 100 page magazine. If you read 41 pages, you’ve read 41% of the magazine.

What Does Percent Mean?

Percents show a portion (41 pages) of a 100 part whole (100 pages). If we’re talking about 100 pages, the whole, we are talking about 100%.

Where Do We See Percentage

in Real Life?

QUIZ

In a poll of 100 voters, 63 said they wanted a new train station. What percent of voters want a new train station

100%63%37%

Correct!

Out of 100 voters (the whole), 63 voters (the

part) said they wanted a new train station.

That’s 63 out of 100 or 63%.

Sorry, that’s incorrect.

Out of 100 voters (the whole), 63 voters (the

part) said they wanted a new train station.

That’s 63 out of 100 or 63%.

How Can We Show Percents as Fractions?

41% = 41 out of 100 or 41/100.

In fractions, the bottom number represents the whole (100 parts) and the top number represents the parts we’re talking about (41).

100% is the same as 1, since 100 ÷100= 1.

QUIZ

Which fraction represents 77%?

7/100

77/100

77

Correct!

77% = to 77 out of 100 or 77/100.

Sorry, that’s incorrect.

77% = to 77 out of 100 or 77/100.

QUIZ

Paris took a 100 question test. She answered 80 of the questions correctly. Which fraction represents the number of correct answers?

88/100

80/100

80/10

Correct!

80 out of 100 = 80% or 80/100.

Sorry, that’s incorrect.

80 out of 100 = 80% or 80/100.

RevisionPercent means “out of 100”.

The table below represents the test results of seven year 5 students. Copy the table into your book and fill in the gaps.

Out of 100 Fraction Percent

e.g. 77 out of 100 e.g. 77/100 e.g. 77%

80/100

90%

74 out of 100

22/100

35%

72 out of 100