Adding and Subtracting Fractions
Presentation
•
Mathematics
•
1st - 5th Grade
•
Medium
+7
Standards-aligned
Makayla DeMeglio
Used 1+ times
FREE Resource
9 Slides • 11 Questions
1
2
Open Ended
Why is it important to learn about addition and subtraction of unlike fractions and mixed numbers in everyday life?
3
4
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
5
6
Multiple Choice
Which of the following is a proper fraction?
5/3
2/2
1/4
4/1
7
8
Open Ended
Explain the difference between similar and dissimilar fractions using examples.
9
10
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
11
12
Fill in the Blanks
In the butterfly method for adding dissimilar fractions, what is the product written in the denominator?
Type answer...
13
14
Open Ended
Describe how the LCD method is used to subtract dissimilar fractions.
15
16
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
17
18
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?
19
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
20
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
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