Topic: INTRODUCTION OF FRACTIONS

Materials: Teaching aids, Material for Group Discovery, knife, Quiz,, Assignment.

Objectives

The following objectives will be achieved at the end of the lesson.

 

Teacher Objectives

Student Objectives

1

Use of set of whole numbers, and to show that soon the need arises for halves, thirds, fourths and so on.

To identify a fraction and to differentiate it from a whole number.

2

To develop the concept of a fraction, identify the components of a fraction.

To identify , the fraction bar, numerator and denominator of a fraction.

3

Develop the concept of a fraction as applied to part of an object or part of a set of objects.

Write fractional notation for a part of an object or part of a set of objects

4

To explain the meaning of certain specific fractional notations and to develop the skill of simplifying them.

Simplify fractional notation like, n/n=1: 0/n=0; n/1 = n.

5

Use of real life application

Should be able to recall. Apply and analyze data.

Introduction:

Lead a discussion to show the use of counting or whole numbers such as 0,1,2,3---------. Remind them about the need to express half. third. , fourth etc.

Activities & development of the lesson.

#

Teacher

Student

1

Instruct cutting objects, to2,4,6,8 equal parts.

Cuts them and places them on the table.

2

Relate the part to the whole

Compares the part with the whole.

3

Demonstrates writing the relation.

Write the relations of the results obtained

4

Introduce Numerator, Denominator and the Fraction bar.

Write the terms.

5

Fraction of the real world

4 Quarters to be compared with a $1.Why do we call 25 pennies a quarter.

6

Non zero number divided by itself is 1

1=1/1=2/2=3/3=4/4=15/15=100/100=n/n.

7

A proper fraction as numerator smaller than denominator

¾, 11/12

8

Improper fraction as numerator greater than denominator

5/2, 8/7 , 13/5

9

Mixed fraction as consisting of a whole number and a proper fraction

1 ½, 5 1/6,8 1/3

10

Convert improper to mixed and mixed to improper fractions

Students work on fractions

 

 

 

Class work:

1Work the given exercises.

Home Work: Exercises from the text book to be worked and submitted the next day.