# Textbook

## Useful websites

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.
• 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

• Process/ Developmental Questions
• Evaluation
• Question Corner

### Activity No #2.

• Materials/ Resources needed
• Prerequisites/Instructions, if any
• Multimedia resources
• 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.

• Materials/ Resources needed
• Prerequisites/Instructions, if any
• Multimedia resources

• Process/ Developmental Questions
• Evaluation
• Question Corner

### Activity No #2.

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

# Assessment activities for CCE

1. This cce Activity is shared by Ramamurthi, government high school, Devalaapura,Mysore taluk click here to get the ativity.

# Fun corner

Usage

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