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Class 4

शिक्षक के हो र – त्यसभन्दा महत्वपूर्ण त उसको शिक्षण हो ।

Class 4 : Mathematics, EVS and Math Activity

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The CDs contain all the aspects of each topic in detail by textual explanation, experiments and relevant diagrams with clear and simple audio
List Of Chapters Covered
1. Geometry
a Vertex, edges and face in solid objects.
b Angles of 00-1800 (in the difference of 10).
c Acute angle and obtuse angle on the basis of right angle
2. Concept of Numbers
a Count numbers up to crore in Hindu Arabic Numerals (number and number names) and place value of the digits in these numbers
b Rounding off of the numbers from 1 to 999 to the nearest 100
c Prime and composite numbers from 1 to 50
d Factorization of numbers from 1 to 99 with prime factor method
3. Basic Operations in Mathematics
a Subtraction
b Multiplication
c Division
d Other
4. Time, Currency, Mesaurement and Weight
a Time
b Currency
c Distance
d Perimeter
e Area
f Capacity
g Volume
h Weight
5. Fraction, Decimal, Percentage, Unitary Method and Simple Interest
a Fractions
b Decimal
c Percentage
d Unitary Method and Simple Interest
6. Bills and Budget
a Information from bills
7. Statistics
a Get information by reading thermometer
b Collection of data like age, height, number of animals, pages of a book etc. and their sequential tabulation
c Information from table
d Drawing bar graph using graph paper
8. Sets
a Set notations of the elements of the sets given in sentences
9. Algebra
a Simple equations of addition, subtraction, multiplication and division with box notation solved through inspection method, hit and trail (using variables too)
b Addition and subtraction of link terms (without using negative terms)
The CDs contain all the aspects of each topic in detail by textual explanation, experiments and relevant diagrams with clear and simple audio
List Of Chapters Covered
1. Living Things
a Vertebrates and non vertebrates
b Egg laying and mammals
c Land animals and their features
d Aquatic animals and their features
e Living process: General introduction, importance
f Stages of plant’s development: seed, small plant, bud/flower, fruit
g Plants found on land and their features
h Plants found in water and their features
2. Environment
a Interrelationships between animals and plants
b Introduction of natural disaster
c Effects of natural disaster
3. Matter and Energy
a Definition of matter on the basis of its basic feature (weight and volume)
b Three states of matter: solid, liquid and gas
c Introduction of energy
d Heat energy and its effects (increase in volume, rise and fall in temperature, change of state of matter)
e Use of effects of heat in our daily life
f Proper use of energy and methods of energy conservation
4. The Earth and Universe
a Weather and Season
b The Earth
c Hydrosphere
d Lithosphere
e Atmosphere
f General introduction of solar system
5. Enviroment
a The sense organs
b Systems of human body
c Personal cleanliness
d Teeth
e Healthy habits
f Keeping environment clean
g Our food
h Diseases
i Safety and first-aid
j Health services
k Harmful habits
l Housing
The CDs contain all the aspects of each topic in detail by textual explanation, experiments and relevant diagrams with clear and simple audio
List Of Chapters Covered
1 Writing and representing, two digit numbers, using unit cube–rods and unit cubes and vice versa
2 Writing and representing, three digit numbers, using 100 rupee notes, 10–rupee notes and 1–rupee coins
3 Adding two numbers of 1 or 2 – digits each (sum does not exceed 100), using 10 × 10 number grid
4 Subtracting a number from another number (The greater number does not exceed 99), using 10 × 10 number grid
5 Representing a 2–digit and 3–digit numbers on an abacus
6 Forming and representing the greatest and the smallest 3–digit numbers with given digits, on an abacus
7 Finding product of two 1– digit numbers, using sticks/straws.
8 Making amounts of money with notes and coins (50 and 25 only) and vice versa.
9 Arranging given numbers in ascending and descending orders.
10 Reading time from clocks ( in hours and half hours), and arranging two hands to show given time
11 Making magic triangles with nine numbers 1 to 9
12 Estimating the length of an object (in complete centimeters), and verifying it.
The CDs contain all the aspects of each topic in detail by textual explanation, experiments and relevant diagrams with clear and simple audio



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