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Teaching 4.NF.B.3.d – Solve Word Problems Involving Addition and Subtraction of Fractions

 

Number & Operations – Fractions – 4th Grade

Build fractions from unit fractions.

CCSS.Math.Content.4.NF.B.3.d
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.

Teacher Notes
Teaching students the strategies to solve word problems is aided by the use of graphic organizers.  Students need to be comfortable using visual fraction models to add and subtract fractions in context.

Student Knowledge Goals
I can create an equation with fractions to represent a word problem.
I can solve word problems involving fractions with like denominators.
I can create visual fraction models to solve a word problem.
I know the strategies for solving addition and subtraction problems with fractions with like denominators (e.g., visual fraction models, using the properties of addition, drawings, objects, etc.).
I can use what I know about addition and subtraction with whole numbers and apply it to fractions.
I can add or subtract fractions that have like denominators to solve the equation for a word problem.

Vocabulary
strategies

Lessons
Engage NY Module 5 D-19 – Solve word problems involving addition and subtraction of  fractions.
Fraction Word Problems

Student Video Lessons
Learn Zillion  – Solve word problems involving addition and subtraction of fractions with like denominators
Virtual Nerd – Solve word problems involving addition and subtraction of fractions

Online Problems and Assessments
Khan Academy – Questions and Video Lessons
Add and subtract fractions with like denominators: word problems
Add and subtract fractions with like denominators in recipes

Online Games
Fraction Word Problems

Printables
Fraction Bars
Benchmark Fraction Strips
Problem Solving Guide – graphic organizer for word problems
Fraction Word Problems

 

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