Introduction to percent (6th grade math lesson)

The main point... percentages are just FRACTIONS. "Five per cent" literally means "five per 100", or 5 / 100 — five hundredths. Of course we can also write this as the decimal 0.05.

I this lesson, we first practice the concept of percent and write percents as fractions and as decimals and vice versa.

Then we convert fractions to percentages... there are TWO cases:

1. The fraction can easily be written as an equivalent fraction with 100 as the denominator.
2. If that is not the case, we need to use division (long division or a calculator).

See also

Percent of number with mental math — video lesson

Math Mammoth Grade 6 curriculum (pre-algebra)

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