Addition and Subtraction of Fractions 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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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.



A royal gardener named Mabel planted 28 bushes in 4 rows. All of the bushes were either rose bushes or lilac bushes. The shaded parts of the model represent the lilac bushes.

Which equation shows how to find the fraction of the bushes that are lilac bushes?

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:2022

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Answer explanation

Look at the denominators. Ask yourself: how many total bushes are there? 28, right? That's why the answer choice with a 7 as a denominator is incorrect; that answer choice is saying there are ONLY 7 total bushes, but we know that is wrong because there are 28.

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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

The number of each kind of flower in a vase is shown.

Which expression can be used to find the fraction of flowers in that vase that are daisies or tulips?

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: 2018

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