adding fractions with unlike denominators
Authored by Cynthia McGee
Mathematics
4th Grade
CCSS covered
Used 17+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In order to ADD fractions, all denominators must be the...
same
different
Tags
CCSS.4.NF.B.3C
CCSS.4.NF.B.3D
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Name the Least common denominator for the following fractions.
12
20
8
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Name the least common denominator for the following fractions.
12
6
15
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Answer explanation
Example:
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
1
Answer explanation
Similar Example:
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Danny needed to find the Least Common Multiple to find a common denominator of the fractions before adding.
Danny left his answer as an improper fractions
Danny did the wrong operation, he did not add.
Danny did not make a mistake.
Answer explanation
Remember,
Step 1: Find the Least Common Multiple to find a common denominator
Tags
CCSS.7.NS.A.1C
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