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General Information

Related Standards: MAFS.5.NF.2.4
Reporting Category: Number and Operations - Fractions
Type: MC: Multiple Choice
Difficulty: N/A
Question:

Which expression is equivalent to begin mathsize 12px style 3 over 8 cross times 4 over 9 end style?

 

Answer Options:

A. begin mathsize 12px style 12 over 72 end style

B. begin mathsize 12px style 7 over 17 end style

C. begin mathsize 12px style 12 over 17 end style

D. begin mathsize 12px style 7 over 72 end style



Aligned Standards

Code Description
MAFS.5.NF.2.4: Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction.
  1. Interpret the product (a/b) × q as a parts of a partition of q into b equal parts; equivalently, as the result of a sequence of operations a × q ÷ b. For example, use a visual fraction model to show (2/3) × 4 = 8/3, and create a story context for this equation. Do the same with (2/3) × (4/5) = 8/15. (In general, (a/b) × (c/d) = ac/bd.)
  2. Find the area of a rectangle with fractional side lengths by tiling it with unit squares of the appropriate unit fraction side lengths, and show that the area is the same as would be found by multiplying the side lengths. Multiply fractional side lengths to find areas of rectangles, and represent fraction products as rectangular areas.


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