Big Ideas Math: Modeling Real Life, Grade 7
BI
Big Ideas Math: Modeling Real Life, Grade 7 View details
1. Fractions, Decimals and Percents
Continue to next subchapter

Exercise 10 Page 237

To write a percent as a decimal, move the decimal point two places to the left and remove the percent symbol.

Decimal: 0.6
Model:

Practice makes perfect
Fractions, decimals, and percents are three ways to show parts of a whole. We want to write a percent as a decimal. First, notice the line on top of 6 in the given expression. 66.6% Recall that this line represents a repeating pattern. 66.6%=66.666666... % Now, to write a percent as a decimal, we ignore the percent symbol and move the decimal point two places to the left.
percent as decimal
We found that 66.6 % expressed as a decimal is 0.6. We can also use a model to represent this number.