Pointing Left or Right
- Jaime Dianzon
Is she pointing left or right?
OBJECTIVE: To change decimals to percents and vice versa
In previous lessons, you learned how to perform operations on DECIMALS. Lining 'Em Up: https://www.geogebra.org/m/xe7bhcvz Playing Hide and Seek: https://www.geogebra.org/m/hk7yfevm Keeping in Step: https://www.geogebra.org/m/fuzxsufd In this lesson, you're going to learn how to convert DECIMALS to PERCENTS and vice versa. FOLLOW THESE SIMPLE RULES: 1. To change decimals to percents, move the decimal point two places to the right and affix the percent sign. 2. To change percents to decimals, move the decimal point two places to the left and remove the percent sign. Sometimes, you get confused about which direction to move the decimal point. A simple trick is to write D (decimals) and P (percents) in ALPHABETICAL order. Then, if you're converting decimals to percent, draw an arrow pointing from D to P and that is the direction to which you move the decimal point. Do the opposite when converting a percent to a decimal. Examples: Convert 0.56 to a percent. D → P 0.56 = 56% Convert 1.2 to a percent. D → P 1.2 = 120% Convert 25% to a decimal. D ← P 25% = 0.25 Convert 1.7% to a decimal. D ← P 1.7% = 0.017
Below is a set of problems requiring you to convert decimals to percents or vice versa.
Changing Decimals to Percents and Vice Versa
Check your answers below.
Changing Decimals to Percents and Vice Versa_Answer Key
In this lesson, you learned how to convert decimals to percents and vice versa.
In future lessons, you'll learn how to perform other conversions. Did you ENJOY today's lesson?