Fraction Addition and Subtraction with Models



Ignacio and Elaine read the same book. The shaded part of each model represents the fraction of the book that each student read.

Which expression can be used to find the difference between the fraction of the book Elaine read and the fraction of the book Ignacio read?

4.3(E) represent and solve addition and subtraction of fractions with equal denominators using objects and pictorial models that build to the number line and properties of operations

Year: 2019

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Mrs. de la Rosa used parts of two identical rolls of paper to wrap packages. The models are shaded to represent the part of each roll of paper she used. What fraction of the rolls of paper did Mrs. de la Rosa use to wrap the packages?

The number of each type of shirt that Melody owns is shown. What fraction of the shirts are either solid or striped? Enter your answer in the space provided. 4.3(E) represent and solve addition and subtraction of fractions with equal denominators using objects and pictorial models that build to the number line and properties of operations Year: 2024

Mathematical Equivalence

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Answer explanation

DON'T FORGET TO CLICK ON THE FRACTION SYMBOL!! On your Checkpoints, Benchmarks, and STAAR, they'll most likely give you a little calculator like the one shown in the photograph. The fraction button can be found on the bottom right corner. It has two boxes on top of each other divided by a fraction bar/line. Your numerator goes on top and your denominator goes on the bottom.

Rohan and Ava are sharing two pizzas. They can decompose the fraction of the pizzas they have as (a)  

• 1/4 +1/3 +1/3 +1/4

• 1/3 +1/3 +1/4

• 1/3 +1/3 +1/3 +1/3

Decompose the fraction represented with the pizzas

• 1/4 +1/3 +1/3 +1/4

• 1/3 +1/3 +1/4

• 1/3 +1/3 +1/3 +1/3

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

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