Percent of a number
Percent of a number
In this section, we will try to estimate the percent of a number without using a calculator. The trick is to breakdown the percent into smaller percent first. These smaller percentages are easier for mental calculation.
Basic concepts:
 Percents, fractions, and decimals
Related concepts:
 Rounding numbers
 Comparing and ordering rational numbers
Lessons

1.
Evaluate without using a calculator. Then, check your answers with a calculator.