# Chapter 6: Addition and Subtraction of Fractions

Difficulty Level:

**At Grade**Created by: CK-12

## Introduction

In this chapter, students will engage with the following concepts: fraction estimation, adding and subtracting fractions with like or different denominators, adding and subtracting mixed numbers, subtracting mixed numbers by renaming, understanding elapsed time, box and whisker plots, and a problem solving strategy involving drawing a diagram.

Chapter Outline

- 6.1.
## Fraction Rounding to the Nearest Half

- 6.2.
## Mixed Number Rounding to the Nearest Whole

- 6.3.
## Mixed Number and Fraction Estimation

- 6.4.
## Sums of Fractions with Like Denominators

- 6.5.
## Differences of Fractions with Like Denominators

- 6.6.
## Expression Evaluation with Fractions

- 6.7.
## Sums of Fractions with Different Denominators

- 6.8.
## Differences of Fractions with Different Denominators

- 6.9.
## Expression Evaluation with Different Denominators

- 6.10.
## Sums of Mixed Numbers

- 6.11.
## Differences of Mixed Numbers without Renaming

- 6.12.
## Expression Evaluation with Mixed Numbers

- 6.13.
## Differences of Mixed Numbers with Renaming

- 6.14.
## Addition and Subtraction with Time

- 6.15.
## Elapsed Time

- 6.16.
## Quartiles

- 6.17.
## Box-and-Whisker Plots

- 6.18.
## Problem Solving Plan, Diagrams

### Chapter Summary

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Description

This chapter covers: fraction estimation, adding and subtracting fractions with like or different denominators, adding and subtracting mixed numbers, subtracting mixed numbers by renaming, understanding elapsed time, box and whisker plots, and a problem solving strategy involving drawing a diagram.

Difficulty Level:

At Grade
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Date Created:

Nov 19, 2014
Last Modified:

Mar 30, 2016
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