Converting Percentages to Decimals

In this video, Mr. J explains how to convert percents to decimals by dividing the percent by 100, which can be quickly done by moving the decimal point two places to the left. The video includes four examples: converting 85%, 2%, 70%, and 39.4% to decimals. Mr. J also highlights the importance of writing a zero before the decimal to avoid overlooking it and explains that trailing zeros do not affect the value of a decimal.

What is the basic method to convert a percent into a decimal?

• Divide by 100

• Add 100

• Divide by 10

• Multiply by 100

What is the quick way to divide a percent by 100?

• Move the decimal point once to the left

• Add two zeros

• Move the decimal point twice to the right

• Move the decimal point twice to the left

What is the decimal representation of 200%?

• 0.02

• 20.0

• 0.2

• 2.0

How do you convert 85% into a decimal?

• 0.85

• 8.5

• 85.0

• 0.085

When converting 2% to a decimal, what is the result?

• 0.2

• 0.002

• 0.02

• 2.0

If a percent is less than 1%, what happens to the decimal point?

• It disappears

• It moves to the right

• It stays the same

• It moves to the left

What is the decimal equivalent of 70%?

• 0.07

• 0.7

• 7.0

• 70.0

Tags

CCSS.5.NBT.A.3A

Why can trailing zeros be removed from a decimal?

• They change the value

• They are only for whole numbers

• They are unnecessary

• They make calculations easier

What is the decimal form of 39.4%?

• 0.394

• 3.94

• 0.0394

• 39.4

What is the decimal form of 0.5%?

• 0.005

• 0.05

• 5.0

• 0.5