Converting Percentages to Decimals

This video tutorial explains how to convert percentages to decimals using two methods: the ratio and division method, and a shortcut method. The tutorial provides step-by-step instructions and examples for both methods, demonstrating how to handle different percentages, including those with decimal points. The video concludes with an advanced example and a summary of the techniques covered.

What is the first step in the ratio method for converting percentages to decimals?

• Add a zero to the percent

• Multiply the percent by 100

• Move the decimal point two places to the left

• Write the percent as a fraction with a denominator of 100

What is the purpose of moving the decimal point two places to the left in the shortcut method?

• To convert the percentage to a fraction

• To increase the value of the percentage

• To convert the percentage to a decimal

• To simplify the percentage

How do you convert 45% to a decimal using the shortcut method?

• Add two zeros to the right of 45

• Multiply 45 by 0.1

• Move the decimal point two places to the left and remove the percent sign

• Divide 45 by 10

What is the decimal form of 45% using the ratio method?

• 45.0

• 0.045

• 4.5

• 0.45

When converting 6% to a decimal, what is the result using the ratio method?

• 6.0

• 0.06

• 0.006

• 0.6

Tags

CCSS.5.NBT.A.2

In the shortcut method, what do you do if a digit is missing after moving the decimal point?

• Add a one

• Add a zero

• Leave it blank

• Repeat the last digit

What is the decimal equivalent of 136%?

• 1.36

• 0.136

• 13.6

• 0.0136

How is the decimal point handled when converting a percentage greater than 100%?

• It is moved two places to the left

• It is removed completely

• It is moved three places to the left

• It is moved one place to the right

Using the shortcut method, what is the decimal form of 64.2%?

• 64.2

• 0.642

• 6.42

• 0.0642

What is the decimal representation of 3.75% using the shortcut method?

• 0.375

• 0.0375

• 3.75

• 0.00375