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SELF DESIGNED 
INNOVATIVE LESSON 
RATIO AND PROPORTION 
THANSEELA .N 
MATHEMATICS REG NO: 
13386008 
2013-2014
Name of the teacher: Thanseela 
Name of the school : G.G..H.S.S.Pattom 
Subject : mathematics 
Unit : ratio and proportion 
Sub unit : proportion 
Class : 8 
Division : E 
Strength :34/37 
Duration : 45 min 
Date : 17/7/2014 
CURRICULAR STATEMENT 
To give concept of proportion 
CONTENT ANALYSIS 
TERMS : fraction, ratio, proportion 
FACTS : ratio can be used to compare parts of a single thing. 
CONCEPT: Individual quantities change, but ratio remain same is called proportion. 
PROCESS: process of teaching and learning of proportion 
PROCESS SKILS: observing, classifying, finding, analyzing, interpreting, calculating
LEARNING OUTCOMES 
The pupil, 
i. remember the facts, concept,…, related to ratio 
ii. develop understanding above facts, concepts,…,related to proportion 
iii. applies the above facts, concepts,…,related to proportion 
iv. detects the above facts, concepts,…,related to proportion 
v. discriminates the above facts, concepts,…,related to proportion 
vi. design a new idea related to proportion 
vii. develop skills related to proportion 
viii. create interest in concept proportion 
PRE-REQUISITES: concept of fraction, ratio 
LEARNING AIDS: activity sheet, chart, ordinary class room equipments. 
LEARNING STRATEGIES : group activity, group discussion. 
Interaction procedure Pupil response 
Teacher introduce a new concept to students 
Teacher shows different pictures, things to students and ask to observe them. 
Students listen 
Students actively participated
Group 1 
Group2 
Group 3 
Students keenly observe the pictures 
First group response that both pictures are same. But 
different in size. 
Second group response that they are same pictures but different 
in size 
Third group response that they are same pictures but different in 
size
Group4 
Teacher explain that these pictures are same but different in size. Can you say 
what property is this? 
Teacher give another group activity. 
group1 
To find ratio of each rectangle 
And find which have same ratio 
A B C 
Fourth group also response that they are same pictures but 
different in size. 
students listen and give many answers
Group 2 
find ratio of each triangle And find which have same ratio 
fig(a) fig(b) 
fig(c) 
Group3 
And find which have same ratio 
fig(a) fig(b) fig(c) 
Students do interestly 
Fig(a) I:b = 2:1 
Fig(b) l:b= 4:2=2:1 
Fig(c) l:b = 5:2 
Figa and fig b have same ratio 
Figure(a) black : orange 2:1 
Figure(b) black : orange 2:2=1:1 
Figure(c) black : orange 4:2 =2:1 
figure (a) and figure (c) have same ratio 
Figure(a) ratio of sides 2:2:2:2=1: 1:1:1 
Figure(b) ratio of sides 4:4:4:4 = 1:1:1:1 
Figure(c) ratio of sides 2:4:2:4=1:2:1:2
Group4 
 two cups of water and one cup of milk 
 six cup of water and 4 cup of milk 
 nine cups of water and six cups of milk 
Class assignment 
Measure the sides of triangle and Check the proportionality of the 
Following triangle. 
Figure (a) and figure (b) have same ratio. 
 Water : milk= 2:1 
 Water: milk = 6:4= 3:2 
 Water : milk= 9:6= 3:2 
Second and third have same ratio. 
Students read the chart and understand the concept of ratio. 
Proportion 
Individual quantities 
change but ratio remain 
same
i. fig a fig b 
Review 
What you mean by proportion? 
Follow up activity 
Home assignment 
1. Verify whether your Mathematics text book and note book is 
proportional or not? 
2. Collect three same things and check proportionality? 
Enrichment activity 
Suggest a method to check proportionality . 
Students do 
Figa 3:3:3= 1:1:1 
Figb 2:2:2=1:1:1 
So these two figures are proportion. 
Individual quantity different but ratio remain same is called a 
proportion. 
Students write down the questions..
Proportion
Proportion
Proportion
Proportion

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Proportion

  • 1. SELF DESIGNED INNOVATIVE LESSON RATIO AND PROPORTION THANSEELA .N MATHEMATICS REG NO: 13386008 2013-2014
  • 2. Name of the teacher: Thanseela Name of the school : G.G..H.S.S.Pattom Subject : mathematics Unit : ratio and proportion Sub unit : proportion Class : 8 Division : E Strength :34/37 Duration : 45 min Date : 17/7/2014 CURRICULAR STATEMENT To give concept of proportion CONTENT ANALYSIS TERMS : fraction, ratio, proportion FACTS : ratio can be used to compare parts of a single thing. CONCEPT: Individual quantities change, but ratio remain same is called proportion. PROCESS: process of teaching and learning of proportion PROCESS SKILS: observing, classifying, finding, analyzing, interpreting, calculating
  • 3. LEARNING OUTCOMES The pupil, i. remember the facts, concept,…, related to ratio ii. develop understanding above facts, concepts,…,related to proportion iii. applies the above facts, concepts,…,related to proportion iv. detects the above facts, concepts,…,related to proportion v. discriminates the above facts, concepts,…,related to proportion vi. design a new idea related to proportion vii. develop skills related to proportion viii. create interest in concept proportion PRE-REQUISITES: concept of fraction, ratio LEARNING AIDS: activity sheet, chart, ordinary class room equipments. LEARNING STRATEGIES : group activity, group discussion. Interaction procedure Pupil response Teacher introduce a new concept to students Teacher shows different pictures, things to students and ask to observe them. Students listen Students actively participated
  • 4. Group 1 Group2 Group 3 Students keenly observe the pictures First group response that both pictures are same. But different in size. Second group response that they are same pictures but different in size Third group response that they are same pictures but different in size
  • 5. Group4 Teacher explain that these pictures are same but different in size. Can you say what property is this? Teacher give another group activity. group1 To find ratio of each rectangle And find which have same ratio A B C Fourth group also response that they are same pictures but different in size. students listen and give many answers
  • 6. Group 2 find ratio of each triangle And find which have same ratio fig(a) fig(b) fig(c) Group3 And find which have same ratio fig(a) fig(b) fig(c) Students do interestly Fig(a) I:b = 2:1 Fig(b) l:b= 4:2=2:1 Fig(c) l:b = 5:2 Figa and fig b have same ratio Figure(a) black : orange 2:1 Figure(b) black : orange 2:2=1:1 Figure(c) black : orange 4:2 =2:1 figure (a) and figure (c) have same ratio Figure(a) ratio of sides 2:2:2:2=1: 1:1:1 Figure(b) ratio of sides 4:4:4:4 = 1:1:1:1 Figure(c) ratio of sides 2:4:2:4=1:2:1:2
  • 7. Group4  two cups of water and one cup of milk  six cup of water and 4 cup of milk  nine cups of water and six cups of milk Class assignment Measure the sides of triangle and Check the proportionality of the Following triangle. Figure (a) and figure (b) have same ratio.  Water : milk= 2:1  Water: milk = 6:4= 3:2  Water : milk= 9:6= 3:2 Second and third have same ratio. Students read the chart and understand the concept of ratio. Proportion Individual quantities change but ratio remain same
  • 8. i. fig a fig b Review What you mean by proportion? Follow up activity Home assignment 1. Verify whether your Mathematics text book and note book is proportional or not? 2. Collect three same things and check proportionality? Enrichment activity Suggest a method to check proportionality . Students do Figa 3:3:3= 1:1:1 Figb 2:2:2=1:1:1 So these two figures are proportion. Individual quantity different but ratio remain same is called a proportion. Students write down the questions..