Adding and Subtracting Fractions with Unlike Denominators without Simplifying
Authored by Anthony Clark
Mathematics
5th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What must you have to add and subtract fractions?
Common numerators
Different numerators
Different denominators
Common denominators
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When you add or subtract fractions with unlike denominators you..
Add both the numerators and denominators
Change the denominator by picking a random number then divide
Find the least common multiple of both denominators
none of these are true
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this a correct answer?
Yes, the student correctly added.
No, you cannot add unlike denominators
No, 5 + 7 is not 12
No, 2 + 3 is not 5
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common denominator for this problem? 3/16 + 2/4 =
24
8
16
32
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the sum of these fractions?
4/5
3/20
17/20
4/20
Tags
CCSS.7.NS.A.1C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common denominator of 1/4 and 1/3?
4
3
12
8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common denominator of 1/4 and 2/5?
5
25
10
20
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