Common Denominator
Flashcard
•
Mathematics
•
4th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
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1.
FLASHCARD QUESTION
Front
Which of these numbers could NOT be a common denominator for these two fractions?
2/4 and 3/8
Options: 32, 12, 8, 24
Back
12
2.
FLASHCARD QUESTION
Front
Which of these numbers could NOT be a common denominator for these two fractions?
1/6 and 1/4
Options: 12, 18, 24, 36
Back
18
3.
FLASHCARD QUESTION
Front
Which of these numbers could NOT be a common denominator for these three fractions? 1/3, 2/5, 3/10. Options: 15, 30, 60, 90
Back
15
4.
FLASHCARD QUESTION
Front
What do you need to have when adding unlike fractions?
Back
common denominator
Tags
CCSS.7.NS.A.1C
5.
FLASHCARD QUESTION
Front
Is this a correct answer?
Back
No, you cannot add unlike denominators
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
6.
FLASHCARD QUESTION
Front
What is the least common denominator you could use to subtract 1/3 and 1/4? Options: 3, 4, 24, 12
Back
12
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
7.
FLASHCARD QUESTION
Front
What is the least common denominator of 1/7 and 3/6?
Back
42
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