Adding and Subtracting Fractions

Open Ended

Why is it important to learn about addition and subtraction of unlike fractions and mixed numbers in everyday life?

Multiple Choice

In the fraction 1/3, what is the role of the number below the line?

• It is the numerator and shows the part taken

• It is the denominator and shows the total number of equal parts

• It is the answer to a division problem

• It is the whole number part

Multiple Choice

Which of the following is a proper fraction?

• 5/3

• 2/2

• 1/4

• 4/1

Open Ended

Explain the difference between similar and dissimilar fractions using examples.

Multiple Choice

Which steps are involved in the LCD method for adding dissimilar fractions?

• Find the LCD, add numerators, copy denominator, express in lowest term

• Multiply denominators, add numerators, express in lowest term

• Find the LCD, subtract numerators, copy denominator

• Multiply numerators, add denominators, express in lowest term

Open Ended

Describe how the LCD method is used to subtract dissimilar fractions.

Multiple Choice

Which of the following are correct steps in the butterfly method for subtracting dissimilar fractions?

• Draw a butterfly, multiply numbers on wings, subtract numbers in antenna, multiply denominators

• Draw a butterfly, add numbers in antenna, multiply numerators, multiply denominators

• Draw a butterfly, multiply denominators, add numbers in antenna, subtract numerators

• Draw a butterfly, multiply numbers on wings, add numbers in antenna, multiply numerators

Open Ended

How do you feel about your understanding of adding and subtracting unlike fractions and mixed numbers after this lesson? Is there anything you would like to know more about or any part you found challenging?

Multiple Choice

What is the difference between the numerator and the denominator in a fraction?

• The numerator is always larger than the denominator

• The numerator represents the part, and the denominator represents the whole

• The denominator is always a prime number

• The denominator is always smaller than the numerator

Multiple Choice

What mathematical operation will you be focusing on during today's group activity?

• Multiplying fractions

• Adding and subtracting fractions

• Dividing fractions

• Converting fractions to decimals