Finding Percentages from Fractions

Mrs. Feld teaches how to solve word problems involving percentages. She explains the process of converting fractions to decimals and then to percentages using examples. The video includes three problems: calculating the percentage of students with pets, the percentage of a paycheck spent on a gift, and the percentage of text messages sent to a friend. Each problem is solved step-by-step, demonstrating the TBO (Top In, Bottom Out) method for converting fractions to decimals.

What must be provided in a word problem to find a percentage?

• A percentage

• A fraction or a decimal

• A ratio

• A whole number

In the example problem, what is the total number of students in Mrs. Feld's class?

• 20

• 25

• 30

• 15

Tags

CCSS.1.NBT.A.1

How do you convert a fraction to a decimal?

• Multiply the numerator by the denominator

• Subtract the denominator from the numerator

• Divide the numerator by the denominator

• Add the numerator and the denominator

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

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

• Multiply the fraction by 100

• Subtract the numerator from the denominator

• Convert the fraction to a decimal

• Add the numerator and denominator

Beth spent $21 of her $300 paycheck on a gift. What fraction represents this spending?

• 21/300

• 300/21

• 21/100

• 100/21

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the decimal equivalent of the fraction 21/300?

• 0.7

• 0.003

• 0.21

• 0.07

Tags

CCSS.4.NF.C.6

What percentage of her paycheck did Beth spend on the gift?

• 5%

• 15%

• 7%

• 10%

Bethany sent 60 text messages, 9 of which were to her best friend. What fraction represents the messages sent to her friend?

• 100/9

• 9/100

• 60/9

• 9/60

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the decimal equivalent of the fraction 9/60?

• 0.75

• 0.6

• 0.09

• 0.15

What percentage of her text messages did Bethany send to her best friend?

• 25%

• 15%

• 20%

• 10%