Adding and Subtracting Mixed Numbers
Flashcard
•
Mathematics
•
5th Grade
•
Practice Problem
•
Easy
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Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a mixed number?
Back
A mixed number is a whole number combined with a fraction, such as 2 1/2.
Tags
CCSS.3.NF.A.3C
2.
FLASHCARD QUESTION
Front
How do you find the lowest common denominator (LCD) for two fractions?
Back
To find the LCD, list the multiples of each denominator and find the smallest multiple they have in common.
3.
FLASHCARD QUESTION
Front
What is the first step in adding mixed numbers?
Back
The first step is to find the lowest common denominator for the fractions.
Tags
CCSS.7.NS.A.1C
4.
FLASHCARD QUESTION
Front
What do you do after finding the LCD when adding fractions?
Back
Convert each fraction to an equivalent fraction with the LCD, then add the numerators.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
5.
FLASHCARD QUESTION
Front
What is the process for subtracting mixed numbers?
Back
1. Find the LCD. 2. Convert fractions. 3. Subtract whole numbers and fractions separately.
Tags
CCSS.7.NS.A.1C
6.
FLASHCARD QUESTION
Front
Why can't we just add the numerators and denominators of fractions with different denominators?
Back
Because the size of the pieces is different; the fractions must be equivalent.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
7.
FLASHCARD QUESTION
Front
What is an improper fraction?
Back
An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 9/4.
Tags
CCSS.3.NF.A.3C
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