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General Information

Related Standards: MAFS.4.NF.1.1
Reporting Category: Number and Operations - Fractions
Type: MC: Multiple Choice
Difficulty: N/A
Question:

Corey tried to find a fraction equivalent to begin mathsize 11px style 3 over 5 end style. His work is shown.

begin mathsize 12px style 3 over 5 equals space fraction numerator 3 over denominator 5 space end fraction cross times 1 half equals 3 over 10 end style

Which statement describes Corey's error?

 

 

Answer Options:

A. It is impossible to find a fraction equivalent to begin mathsize 11px style 3 over 5 end style.

B. He did not multiply begin mathsize 11px style 3 over 5 end style by a fraction equal to 1.

C. He incorrectly multiplied begin mathsize 11px style 3 over 5 end style and begin mathsize 11px style 1 half end style.

D. He should have divided by begin mathsize 11px style 1 half end style.


Aligned Standards

Code Description
MAFS.4.NF.1.1: Explain why a fraction a/b is equivalent to a fraction (n × a)/(n × b) by using visual fraction models, with attention to how the number and size of the parts differ even though the two fractions themselves are the same size. Use this principle to recognize and generate equivalent fractions.


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