
Understanding Multiplication of Fractions

Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Hard
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step recommended before multiplying fractions?
Subtract the fractions
Convert fractions to decimals
Simplify the fractions
Add the fractions
Tags
CCSS.5.NF.B.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example, what is the prime factorization of the number 8?
4 x 2
3 x 3
2 x 4
2 x 2 x 2
Tags
CCSS.5.NF.B.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the product of the numerators in the first example after simplification?
21
14
10
7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method can be used as an alternative to prime factorization for simplifying fractions?
Using multiplication tables
Using addition tables
Using division tables
Using subtraction tables
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it beneficial to write out the prime factorization when simplifying fractions?
It helps in organizing work and identifying common factors
It is required by all math teachers
It makes the process faster
It is the only method to simplify fractions
Tags
CCSS.7.NS.A.2A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the sign of the final product when multiplying a negative, a positive, and another negative fraction?
Undefined
Zero
Positive
Negative
Tags
CCSS.7.NS.A.2A
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the prime factorization of 18 in the second example?
3 x 3 x 3
3 x 6
2 x 3 x 3
2 x 9
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