Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
1. Fractions, Decimals and Percents
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Exercise 1 Page 236

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

Decimal: 0.39
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. Let's do these things one at a time.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: 0.39
We found that 39 % expressed as a decimal is 0.39. We can also use a model to represent this number.