Sets

ಕನ್ನಡದಲ್ಲಿ ನೋಡಿ

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Concept Map

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Textbook

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1. Karnataka text book for Class 10 ,Chapter 02-Sets
2. Tamil Nadu text book for Class 9, chapter 4 , pages 17 to 23

Additional information

Useful websites

1. Wikipedia page for Set
2. This web gives basic ideas about sets mathsisfun.com
3. Video on union and itersection of sets.

Reference Books

ACTIVITY 1 :

1. Collect different kinds of objects. 2. Put the all objects in a box. 3. Calling 2 or 3 students and telling them to pick up things of same kind.

ACTIVITY2:

1. Put the prepared number cards in another box.
2. Call a student and tell him to pick any 10 numbers.
3. Call a student and tell him to collect natural number
4. Similarly we can call many students to come and ask them to collect odd, even numbers etc.

DEVELOPING QUESTIONS:

1. Can you call that mixing group of objects by a particular name?
2. Does any number is repeated while collecting numbers?
3. What is the difference between before and after grouping the objects?

QUESTIONS:

1. Can we say that whole group of objects is a set ?
2. Define a set.
3. Give an example for a set.

Teaching Outlines

Concept #1.Introduction to Sets

Learning objectives

1. Differentiate between a group and a set
2. To identify a set
3. To give different examples for a set.
4. To find different type of set.

Notes for teachers

Helping the children in the identification of a set by making groups of students

Activity No #1 Making Sets

1. Mixing different kinds of objects in a box .
2. Mixing different kinds of number cards in a box.

Click to Comment

• Materials/ Resources needed
  

Scales, pencils, pens, toys of birds and animals, different coloured bangles. , number cards and 2 boxes. Required time - 20 minutes

• Prerequisites/Instructions, if any
  

To be careful about glass bangles.

• Multimedia resources
  
• Website interactives/ links/ simulations

Click here to view explanation about the definition of set. http://www.mathsisfun.com/sets/sets-introduction.html

• Process/ Developmental Questions
• Evaluation
• Question Corner

Activity No #2.

Click to Comment

• Materials/ Resources needed
• Prerequisites/Instructions, if any
• Multimedia resources
• Website interactives/ links/ simulations
• Process

1st step

1. Collect different kinds of objects.
2. Put the all objects in a box.
3. Calling 2 or 3 students and telling them to pick up things of same kind.

2nd step

1. Put the prepared number cards in another box.
2. Call a student and tell him to pick any 10 numbers.
3. Call a student and tell him to collect natural number
4. Similarly we can call many students to come and ask them to collect odd, even numbers etc.

• Developmental Questions

1. Can you call that mixing group of objects by a particular name?
2. Does any number is repeated while collecting numbers?
3. What is the difference between before and after grouping the objects?

• Evaluation

1. Can we say that whole group of objects is a set ?
2. Define a set.
3. Give an example for a set.

• Question Corner

Concept #2.Representation of sets.(A)Rooster method:

Sets can be represented in two different ways: Rooster method and Rule method.

Learning objectives

1. To learn writing a set in roaster method.
2. To learn writing a set in rule method.

Notes for teachers

Not all sets can be inter-convertible from one method to other

Activity No #1.

Click to Comment

• Materials/ Resources needed

• Prerequisites/Instructions, if any
• Multimedia resources

• Website interactives/ links/ simulations

Fun Maths Activity

• Process/ Developmental Questions
• Evaluation
• Question Corner

Click for activity

Activity No #2.

Click to Comment

• Materials/ Resources needed
• Prerequisites/Instructions, if any
• Multimedia resources
• Website interactives/ links/ simulations
• Process/ Developmental Questions
• Evaluation
• Question Corner

concept #2(B):Set builder method or rule method

Activity No #1.

Click to Comment

• Materials/ Resources needed
• Prerequisites/Instructions, if any
• Multimedia resources
• Website interactives/ links/ simulations
• Process/ Developmental Questions
• Evaluation
• Question Corner

Activity No #2.

Click to Comment

• Materials/ Resources needed
• Prerequisites/Instructions, if any
• Multimedia resources
• Website interactives/ links/ simulations
• Process/ Developmental Questions
• Evaluation
• Question Corner

Fun corner

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