1. Warm up problem
Write as a decimal.

2. Percents and Decimals
Lesson 2-3

3. Objectives I can write percents as decimals.
I can write decimals as percents.

4. Example 1 Write the 56% as a decimal.
Method 1: Write the percent as a fraction.
Rewrite the percent as a fraction with a denominator of % =
Write 56 hundredths as a decimal.
56% =0.56
Method 2: Move the decimal point.
Move the decimal point 2 places to the left. Then remove the percent sign.
56% = 0.56

5. Example 2 Write the 8% as a decimal.
Method 1: Write the percent as a fraction.
Rewrite the percent as a fraction with a denominator of 100.
8% =
Write 8 hundredths as a decimal.
8% =0.08
Method 2: Move the decimal point.
Move the decimal point 2 places to the left. Then remove the percent sign.
8% = 0.08

6. Example 3 Write the 2% as a decimal.
Method 1: Write the percent as a fraction.
Rewrite the percent as a fraction with a denominator of 100.
2% =
Write 2 hundredths as a decimal.
2% =0.02
Method 2: Move the decimal point.
Move the decimal point 2 places to the left. Then remove the percent sign.
2% = 0.02

7. Got It?
Write each percent as a decimal.
32% b. 6% c. 93%

8. Example 4
Write 0.38 as a percent. Method 1: Write the decimal as a fraction = = 38% Method 2: Move the decimal point = 38%

9. Example 5
Write 0.2 as a percent. Method 1: Write the decimal as a fraction. 0.2 = = 20% Method 2: Move the decimal point. 0.2 = 20%

10. Got it?
Write each decimal as a percent. d e f. 0.5

11. Example 6
The United States produces more corn than any other country, producing 0.4 of the total corn crops. Write 0.4 as a percent.
0.4 x 100 = 40
40%

12. Got It?
About 0.7 of the human body is water. What percent is equivalent to 0.7? (Example 6)