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# Rational Numbers in Applications

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Rational Numbers in Applications

by CK-12 //at grade

Solve real-world problems involving the addition and subtraction of fractions and evaluate change.

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• PLIX

## Batch of Brownies as Rational Numbers; Rational Numbers in Applications

by CK-12 //at grade

Mom just made a batch of brownies. The kids are supposed to let them cool, but they know if they don't act fast, there will be none left. Move the brownies to model the kids' actions and determine how many brownies they each end up with.

1. Elsie makes the first move by taking 12 of the brownies

2. Julian notices and takes

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• Video

## Solving Subtraction Word Problems - Overview

by CK-12 //basic

Overview

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• Video

## Solving Multiplication Word Problems - Overview

by CK-12 //basic

Overview

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• Video

## Solving Division Word Problems - Overview

by CK-12 //basic

Overview

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• Video

## Solving Real-World Problems with Addition and Subtraction: A Sample Application

by CK-12 //at grade

This video demonstrates a sample use of solving real-world problems with addition and subtraction.

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• Video

## Identifying Properties of Real Numbers - Overview

by CK-12 //basic

Overview

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• Video

## Solving Real-World Problems Using Addition and Subtraction: An Explanation of the Concept

by CK-12 //at grade

This video provides an explanation of the concept of solving real-world problems with addition and subtraction.

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• Video

## Solving Word Problems Using Integers and Rational Numbers - Example 1

by CK-12 //basic

Solving Word Problems Involving Integers

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• Video

## Solving Word Problems Using Integers and Rational Numbers - Example 2

by CK-12 //basic

Solving Word Problems Involving Rational Numbers

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• Video

## Solving Addition Word Problems - Example 1

by CK-12 //basic

Solving Word Problems Involving Integer Addition

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• Video

## Solving Addition Word Problems - Example 2

by CK-12 //basic

Solving Word Problems Involving Decimal Addition

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• Video

## Solving Addition Word Problems - Example 3

by CK-12 //basic

Solving Word Problems Involving Fraction Addition

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• Video

## Solving Subtraction Word Problems - Example 2

by CK-12 //basic

Solving Word Problems Involving Decimal Subtraction

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• Video

## Solving Multiplication Word Problems - Example 1

by CK-12 //basic

Solving Word Problems Involving Integer Multiplication

0
• Video

## Solving Multiplication Word Problems - Example 2

by CK-12 //basic

Solving Word Problems Involving Decimal Multiplication

0
• Video

## Solving Multiplication Word Problems - Example 3

by CK-12 //basic

Solving Word Problems Involving Fraction Multiplication

0
• Video

## Solving Division Word Problems - Example 1

by CK-12 //basic

Solving Division Word Problems Involving Mean

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• Video

## Identifying Properties of Real Numbers - Example 1

by CK-12 //basic

Identify the Property Given a Math Statement

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• Video

## Identifying Properties of Real Numbers - Example 2

by CK-12 //basic

Identify the Math Statement Given a Property

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• Video

## Identifying Properties of Real Numbers - Example 3

by CK-12 //basic

Identify the Property in the Sequence of Steps

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• Video

## Identifying Properties of Real Numbers - Example 4

by CK-12 //basic

Justify the Validity of a Math Statement Using Properties

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• Practice

## Rational Numbers in Applications Practice

by CK-12 //at grade

Practice Rational Numbers in Applications questions

2

## Rational Numbers in Application Four Square Concept Matrix

by CK-12 //at grade

Summarize the main idea of the Concept, create visual aids or make notes about formulas and create connections to real-world situations.

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• Study Guide

## Rational Numbers in Applications

by Kevin Cui //basic

Learn to use rational numbers to solve more complicated problems.

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