Decimal and Percentage Conversions

In this video, Mr. J explains how to convert the fraction 4/5 into a percent. The process begins by dividing the numerator by the denominator to get a decimal. Then, the decimal is converted to a percent by multiplying it by 100, which can be done by moving the decimal point two places to the right. The video provides a detailed walkthrough of the division process and demonstrates how to handle decimals to achieve the final result of 80%.

What is the first step in converting a fraction to a percentage?

• Multiply the fraction by 100

• Divide the numerator by the denominator

• Add the numerator and denominator

• Subtract the denominator from the numerator

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

When dividing the numerator by the denominator, what do you obtain?

• A whole number

• A decimal

• A fraction

• A percentage

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

If the numerator is smaller than the denominator, what should you do next in the division process?

• Add a zero to the numerator

• Use a decimal and a zero

• Subtract the numerator from the denominator

• Multiply the numerator by 10

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

What should you do if there is nothing left to bring down in the division process?

• Multiply by 10

• Stop the division

• Subtract the remainder

• Add another zero

Tags

CCSS.3.OA.A.2

What is the result of 40 divided by 5 in the context of this video?

• 9

• 8

• 7

• 6

How do you convert a decimal to a percentage?

• Multiply by 10

• Add 100

• Divide by 100

• Multiply by 100

Tags

CCSS.5.NBT.A.2

What is a quick way to multiply a decimal by 100?

• Move the decimal point two places to the left

• Move the decimal point two places to the right

• Add two zeros to the end

• Subtract two from the decimal

What is the purpose of moving the decimal point when converting a decimal to a percentage?

• To simplify the fraction

• To adjust the decimal places

• To make the number larger

• To make the number smaller

What is the percentage equivalent of 4/5?

• 40%

• 50%

• 80%

• 100%

What is the final step in converting a fraction to a percentage?

• Add the numerator and denominator

• Subtract the denominator from the numerator

• Divide the decimal by 10

• Multiply the decimal by 100