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General Information

Related Standards: MAFS.4.NF.2.3
Reporting Category: Number and Operations - Fractions
Type: MC: Multiple Choice
Difficulty: N/A
Question:

What is the value of the following expression?

begin mathsize 12px style 2 over 10 plus 9 over 10 end style

 

Answer Options:

A. begin mathsize 12px style 11 over 20 end style

B. begin mathsize 12px style 11 over 10 end style

C. begin mathsize 12px style 18 over 10 end style

D. begin mathsize 12px style 18 over 100 end style



Aligned Standards

Code Description
MAFS.4.NF.2.3: Understand a fraction a/b with a > 1 as a sum of fractions 1/b.
  1. Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.
  2. Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model. Examples: 3/8 = 1/8 + 1/8 + 1/8 ; 3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8.
  3. Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction.
  4. Solve word problems involving addition and subtraction of fractions referring to the same whole and having like denominators, e.g., by using visual fraction models and equations to represent the problem.


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