Adding and Subtracting Mixed Numbers

Flashcard
•
Mathematics
•
5th Grade
•
Hard
+1
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 or subtracting mixed numbers?
Back
Convert the mixed numbers to improper fractions.
Tags
CCSS.7.NS.A.1C
4.
FLASHCARD QUESTION
Front
How do you convert a mixed number to an improper fraction?
Back
Multiply the whole number by the denominator, add the numerator, and place that over the original denominator.
5.
FLASHCARD QUESTION
Front
What is the process for adding fractions with different denominators?
Back
Find the LCD, convert the fractions to equivalent fractions with the LCD, then add the numerators.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
6.
FLASHCARD QUESTION
Front
What is the process for subtracting fractions with different denominators?
Back
Find the LCD, convert the fractions to equivalent fractions with the LCD, then subtract the numerators.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
7.
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.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
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