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 2 Page 236

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

Decimal: 0.126
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. 12.6% Recall that this line represents a repeating pattern. 12.6%=12.666666... % 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 12.6 % expressed as a decimal is 0.126. We can also use a model to represent this number.