Word Problems Involving Fractions and Ratios

This video tutorial teaches how to write fractions from word problems by identifying key information and determining what is being described. It explains the roles of numerators and denominators, and provides step-by-step examples involving students wearing skirts and bags of flour. The tutorial emphasizes careful reading and understanding of the problem to correctly solve it.

What does the denominator in a fraction represent?

• The total number of problems

• The number of questions in a quiz

• The number of pieces you want to count

• The total number of pieces in one whole

When solving a word problem, what is the first question you should ask?

• What is the answer?

• What is the total number of pieces?

• How many questions are there?

• What does the problem ask me to describe?

In the skirt problem, what is the total number of students in the class?

• 20

• 5

• 15

• 10

How many students were not wearing skirts?

• 20

• 15

• 10

• 5

What is the simplified fraction of students not wearing skirts?

• 3/4

• 2/3

• 1/3

• 4/5

In the flour problem, how many cups does one bag hold?

• 9

• 6

• 7

• 8

How many cups of flour did the mom use in total?

• 8

• 9

• 10

• 11

What is the improper fraction representing the flour used?

• 11/8

• 10/8

• 9/8

• 8/10

How many whole bags of flour were used?

• 1 and 1/2

• 1

• 1 and 2/8

• 1 and 1/4

What is the key takeaway from solving word problems involving fractions?

• Ignore the problem statement

• Use a calculator

• Identify key information and what is being described

• Always guess the answer