# Difference between revisions of "Commercial Arithmetic"

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# To see the best videos on ratio and proportion [https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/v/introduction-to-ratios-new-hd-version click here] | # To see the best videos on ratio and proportion [https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/v/introduction-to-ratios-new-hd-version click here] | ||

# To get the information about simple interest [https://www.mathsisfun.com/money/interest.html click here] | # To get the information about simple interest [https://www.mathsisfun.com/money/interest.html click here] | ||

− | # This | + | # This TESS- India link to a unit on [http://www.tess-india.edu.in/sites/default/files/imported/57317/EM15_AIE_Final.pdf Proportional reasoning] attempts to explore ways to teach proportional reasoning, including inverse and direct proportion in a playful and creative way. Students therefore come to school with some intuitive understanding and knowledge of proportional reasoning, but they also come with misunderstandings and different levels of understanding. |

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==Reference Books== | ==Reference Books== | ||

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= Project Ideas = | = Project Ideas = | ||

+ | * This website suggests some interesting activities such as 'raising funds for a cause', 'tracking spendings and earnings for a time period' and 'business' that could be used while teaching profit and loss. [http://classroom.synonym.com/activities-use-teaching-profit-loss-8468232.html Click here] | ||

+ | * Using a list of prices for food and clothing, which appear in advertisement leaflets/ pamphlets, students will practice math skills related to sales tax, discounts, percentages etc. [https://www.teacher.org/wp-content/themes/teacher/scripts/lesson-plans/generate_lesson_plan.php?id=prices-and-percentages Click here] | ||

= Math Fun = | = Math Fun = |

## Revision as of 06:35, 26 October 2017

Philosophy of Mathematics |

While creating a resource page, please click here for a resource creation **checklist**.

## Contents

# Concept Map

# Textbook

Karnataka state textbook- Chapter 4: Commercial Arithmetic

# Additional Information

This videos is related to ratio and proportion and also profit and loss percentage

## Useful websites

- To see the best videos on ratio and proportion click here
- To get the information about simple interest click here
- This TESS- India link to a unit on Proportional reasoning attempts to explore ways to teach proportional reasoning, including inverse and direct proportion in a playful and creative way. Students therefore come to school with some intuitive understanding and knowledge of proportional reasoning, but they also come with misunderstandings and different levels of understanding.

## Reference Books

NCERT textbook_Class 8-Chapter 8:Comparing quantities

National Institute of Open Schooling (NIOS)-Module 2 Commercial Mathematics:Percentage and its applications

# Teaching Outlines

## Concept #

### Learning objectives

### Notes for teachers

*These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.*

### Activity No #

**Estimated Time****Materials/ Resources needed****Prerequisites/Instructions, if any****Multimedia resources****Website interactives/ links/ Geogebra Applets****Process (How to do the activity)****Developmental Questions (What discussion questions)****Evaluation (Questions for assessment of the child)****Question Corner**

### Activity No #

**Estimated Time****Materials/ Resources needed****Prerequisites/Instructions, if any****Multimedia resources****Website interactives/ links/ Geogebra Applets****Process (How to do the activity)****Developmental Questions (What discussion questions)****Evaluation (Questions for assessment of the child)****Question Corner**

## Concept #

### Learning objectives

### Notes for teachers

*These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.*

### Activity No #

**Estimated Time****Materials/ Resources needed****Prerequisites/Instructions, if any****Multimedia resources****Website interactives/ links/ Geogebra Applets****Process (How to do the activity)****Developmental Questions (What discussion questions)****Evaluation (Questions for assessment of the child)****Question Corner**

### Activity No #

**Estimated Time****Materials/ Resources needed****Prerequisites/Instructions, if any****Multimedia resources****Website interactives/ links/ Geogebra Applets****Process (How to do the activity)****Developmental Questions (What discussion questions)****Evaluation (Questions for assessment of the child)****Question Corner**

# Hints for difficult problems

# Project Ideas

- This website suggests some interesting activities such as 'raising funds for a cause', 'tracking spendings and earnings for a time period' and 'business' that could be used while teaching profit and loss. Click here
- Using a list of prices for food and clothing, which appear in advertisement leaflets/ pamphlets, students will practice math skills related to sales tax, discounts, percentages etc. Click here

# Math Fun

**Usage**

Create a new page and type {{subst:Math-Content}} to use this template