Topic
: INTRODUCTION OF FRACTIONSMaterials: Teaching aids, Material for Group Discovery, knife, Quiz,, Assignment.
Objectives
The following objectives will be achieved at the end of the lesson.
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Teacher Objectives |
Student Objectives |
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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. |
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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. |
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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 |
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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. |
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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.
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# |
Teacher |
Student |
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1 |
Instruct cutting objects, to2,4,6,8 equal parts. |
Cuts them and places them on the table. |
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2 |
Relate the part to the whole |
Compares the part with the whole. |
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3 |
Demonstrates writing the relation. |
Write the relations of the results obtained |
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4 |
Introduce Numerator, Denominator and the Fraction bar. |
Write the terms. |
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5 |
Fraction of the real world |
4 Quarters to be compared with a $1.Why do we call 25 pennies a quarter. |
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6 |
Non zero number divided by itself is 1 |
1=1/1=2/2=3/3=4/4=15/15=100/100=n/n. |
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7 |
A proper fraction as numerator smaller than denominator |
¾, 11/12 |
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8 |
Improper fraction as numerator greater than denominator |
5/2, 8/7 , 13/5 |
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9 |
Mixed fraction as consisting of a whole number and a proper fraction |
1 ½, 5 1/6,8 1/3 |
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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.