Addition of negative numbers
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Transcript of Addition of negative numbers
SELF DESIGNED INNOVATIVE LESSON
CURRICULAR STATEMENT
To learn the addition of negative number
CONTENT ANALYSIS
TERMS: Negative, positive numbers
FACTS: (i) In a number line the value of numbers increases from left to right.
(ii) Subtracting large number from a small number.
CONCEPT: The concept of teaching and learning addition of negative numbers.
PROCESS: The process of teaching and learning addition of negative numbers.
PROCESS SKILLS: Observing, Measuring, inferring, comparing.
SYMBOL: + , -__________________________________________________________________________
LEARNING OUTCOMES
The pupil,
(i) remember the above facts, concept related to addition of negative numbers.
(ii) develops understanding on the above facts, concepts related to addition of negative
numbers.
(iii) applies the above facts, concepts in new and relevant situation.
(iv) discriminates the above facts and concept related to addition of negative numbers.
(v) detects the above facts, concept related to addition of negative numbers.
(vi) design a new idea related to addition of negative numbers.
(vii) develops skill related to addition of negative numbers.
(viii) creates interest related to addition of negative numbers
Name of the teacher : Sreelekshmi TS Std : VIII
Name of the school : GMGHSS Pattom Div : C
Subject : Mathematics Strength : 36
Unit : Negative Numbers Date : 24/07/2014
Sub Unit : Addition of negative numbers Duration : 45 Min
PRE-REQUISITES: Identify the negative numbers.
LEARNING AIDS : Cut outs, Ball, Chart, Ordinary class room equipments,duster.
LEARNING STRATEGIES: Group discussion, Group activity method
Interaction Procedure Pupil Response To check previous knowledge teacher asks 3-5 is _____
Students say 3-5 is -2
Activity 1
Teacher says the following figure shows a string of different colour. Find out the answers for questions. Suppose the given figure is a number line.
-4 -3 -2 -1 0 +1 +2 +3 +4
(i) Which position has yellow colour?
(ii) Which position has green colour?
(iii) Which position has red colour?
(iv) Which position has blue colour?
Teacher again confirms the concept in a number line the value is increasing from left to right.
Students observe.
Students do the problem
The position is -3
The position is 1
The position is 2
The position is -4
Activity 2
Teacher given different colours of balls for each groups. Then told to subtract certain colour of balls from the other colours of balls..
Group 1
Group 2
Group 3
Students actively participated in group activity.Group 1 Answers
Red Ball = 2Green Ball = 32-3 =-1
Group 2 Answers
Red Ball = 4Yellow Ball = 54-5 = -1 Group 3 Answers
Blue ball = 2Yellow ball = 42-4 = -2
Interaction Procedure Pupil Response
Class assignment Teacher give some problems to do .
(i) 11-79
(ii) 20-50
(iii) 26-73
(iv) 48-84
(v) 16-25
(i) 11-79 = -68
(ii) 20-50 = -30
(iii) 26-73 = -47
(iv) 48-84 =-34
(v) 16-25 = -9
Review
(i) 5-3+1
(ii) 2-4-1+2
Follow up activity
Home Assignment
Find
(i) 5-6+2-4
(ii) 3-5+6-1
(iii) 4-7+8-1
(iv) 6-5+1-1
Enrichment Activity
What is the value of (-1/3) x 3 = ?
(i) 5-3+1 = 3
(ii) 2-4-1+2=-1