Least Common Denominator
Authored by Renee Dawson
Mathematics
3rd - 6th Grade
CCSS covered
Used 58+ times
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10 questions
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1.
MATCH QUESTION
2 mins • 1 pt
Match the following words to their meaning.
the answer when 2 numbers are multiplied
Common
Same
Factor
Smallest
Least
Bottom number of a fraction
Denominator
one of the numbers in a multiplication sentence
Multiple
Tags
CCSS.4.OA.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is not a multiple of 3?
3
6
9
20
Tags
CCSS.4.OA.B.4
3.
DRAW QUESTION
3 mins • 1 pt
Using the chart, find the LCD of 3 and 2.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Least Common Denominator of ?
2
4
8
12
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Use the multiplication sentences in the image to find the 2 fractions with the LCD from the original fractions:
Remember to select 2 answers!
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You can add or subtract fractions with different denominators.
True
False
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
7.
REORDER QUESTION
1 min • 1 pt
Reorder the following steps to find the LCD when adding 2 fractions that have unlike denominators.
Find the LCM
Write the multiplication sentences for the LCM.
Multiply the numerator & denominator by the same factor.
Write 2 new fractions that have the same denominator.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
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