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Decompose and Compose Fractions

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Lesson Plans and Worksheets for Grade 4
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 4
Common Core For Grade 4



 

Videos and solutions to help Grade 4 students learn how to decompose and compose fractions greater than 1 to express them in various forms.

Common Core Standards: 4.NF.1, 4.NF.2, 4.NF.3, 4.NBT.6, 4.NF.4a, 4.MD.4

NYS Common Core Grade 4 Module 5, Lesson 25


Lesson 25 Concept Development

Problem 1: Model with a number line to convert a mixed number into a fraction greater than 1.

Problem 2: Use multiplication to convert a mixed number to a fraction.

Problem 3: Use mental math to convert a mixed number into a fraction greater than 1.
Lesson 25 Problem Set 1

1. Convert each mixed number to a fraction greater than 1. Draw a number line to model your work.



Lesson 25 Problem Set 2

2. Convert each mixed number to a fraction greater than 1. Show your work as in the example. Lesson 25 Problem Set 3

3. Convert each mixed number to a fraction greater than 1. Lesson 25 Homework

1. Convert each mixed number to a fraction greater than 1. Draw a number line to model your work.
b. 4 2/3
c. 5 3/8
2. Convert each mixed number to a fraction greater than 1. Show your work as in the example.
b. 5 2/3
c. 4 1/5
d. 3 7/8
3. Convert each mixed number to a fraction greater than 1.


Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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