IDaa CDs are completely mapped to the NCERT curriculum following CBSEboard. Which can be conveniently adapted to any state curriculum in India.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
Mathematics
Knowing our Numbers- Large Numbers
- Place Value
- Reading and writing of Large Numbers
- Comparison of Large Numbers
- Estimation
- Roman Numerals
Whole Numbers- What are Natural Numbers and Whole Numbers?
- Representation of whole numbers on Number Line
- Properties of Whole Numbers
Playing with Numbers- Factors & Multiples
- Test for Divisibility of Numbers
- Properties of Whole Numbers
- Common Factors
- Highest Common Factor(HCF)
- Common Multiples
- Lowest Common Multiple(LCM)
Basic Geometrical Ideas- What is Geometry
- Basic Geometrical Ideas
- A Polygon
- A Circle
Elementary Shapes- How do we compare two line segments?
- Angles
- Classification of Triangles
- Quadrilaterals
- Polygons
- Three Dimensional Shapes
Integers- Negative numbers and integers
- Negative of a negative integer
- Ordering of integers
- Absolute value of an integer
- Use of integers in day to day life
- Addition of integers, using a number line
- Addition of integers, using bottle caps
- Subtraction of integers using number line
- Subtraction of integers, using bottle caps
- Simplification of numerical expressions involving addition and subtraction
Fractions- Meaning of a unit fraction
- Meaning of a proper fraction
- Meaning of an improper fraction
- Fractions on the number line
- Equivalent fractions
- Like and unlike fractions
- Addition and Subtraction of fractions
Decimals- Decimal fractions and decimals
- Conversion of decimal fractions into decimals and vice-versa
- Writing of decimals in place value table
- Reading and writing of decimals
- Representing decimals on number line
- Equivalent decimals
- Like and unlike decimals
- Comparison of decimals
- Addition and subtraction of decimals
- Use of decimals
Data Handling- What is data?
- Collection and recording of data
- Representation of data pictograph
- Drawing a pictograph
- Representation of data-bar graph
- Reading a Bar Graph
Mensuration (Perimeter and Area)- Simple closed curves
- Concept of perimeter and area
- Determining perimeter of a simple closed curve
- Area and its units
- Formulae for area of a rectangle and square
- Area by splitting the figures into rectangle and squares
Algebra- Variable and constant
- How algebraic expressions are formed?
- Determining the general rule
- Algebra as generalisation
- An equation and its solution
Ratio and Proportion- Concept of ratio
- Simplest form of a ratio
- Use of ratio to divide a quantity into different-sized parts
- Applications of ratios
- Proportion
- Unitary method+B402
Symmetry- What is symmetry?
- Multiple lines of symmetry
- Reflection and symmetry
Practical Geometry- Familiarity with geometrical instruments
- Construction of a circle
- Construction of line segments
- Construction of perpendiculars
- Construction of angles
Science
PHYSICS
Electricity and circuit- An electric switch
- An electric circuit
- An electric bulb connected to an electric cell
- Electric cell
- A conduction tester
- Electric conductors & insulators
Fun with magnets- Discovery of magnet
- Magnetic & non-magnetic materials
- PROPERTIES OF a magnet
- Making a magnet
- Attraction & repulsion between magnets
Light, shadows & reflections- Sources of light
- Transparent, opaque & translucent objects
- Shadows
- A pinhole camera
- Reflection
Motion & measurement of distances- Story of transport
- Measuring distances
- Units of measurement
- Units of measurements
- Measuring the length of a curved line
- Motion
CHEMISTRY
Fibre to fabric- Type of fabrics
- Cottone plant fibre
- Jute plant fibre
- Fabric Clothing
- History of clothing materiel
Sepration of Substances- Methods of Sepration
- Sedimentation
- Evaporation
- Saturated Solution
Sorting materiels into Group- Objects Arround us
- Properties of materiales
- Hardness
- Solubility of insolubility
- Object may Flot& Sink in Water
- Transparency
Changes Around us- Reversible Changes
- Expention of Contraction
BIOLOGY
Food: Where does it come from?- Food material & sources
- Animal products as food
- What do animals eat?
- Decomposers
Components of food- Food material & sources
- Animal products as food
- What do animals eat?
- Decomposers
Getting to know plants- Parts of a plant
- Herbs,shrubs & trees
- Functions of stem
- Stem modification
- Leaf
- Funcions of a leave
- Leaf modification
- Parts of a root
- Types of root systems
- Parts of a flower
Body movement- Human body movement
- Bones
- Cartilage
- How do bones move?
- Gait of animals
The living organisms & their surroundings- Habitat & adoptation
- Terrestrial habitat
- Characteristics of living beings
- Differences between living & non living things
Water- Water
- Uses of Water
- Sources of water
- Formation of clouds
- Water cycle
- Floods & drought
- Conservation of water
Air around us- Air is present everywhere
- Composition of air
- Availability of oxygen to plants & animals living in water & soil
- Replacement of oxygen in the atmosphere
- Air pollution
- Importance of air
Garbage in, garbage out- Separation of wastes
- Recycling of paper
- Is plastic a boon or a curse?
Math Activity
1 Making equivalent fractions
2 Identifying different kinds of angles, using two hands of a clock.
3 Making 4 × 4 magic squares
4 Making multiplication tables of large numbers
5 Reading 4 and 5 - digit numbers, from an abacus.
6 Representing 4 and 5 - digit numbers, on an abacus
7 Forming and representing the greatest and the smallest 4 and 5-digit numbers with given digits, on an abacus
8 Making closed Shapes using match sticks
9 Finding area of closed shapes, drawn on a square sheet
10 Using tangram pieces make geometrical shapes, and determining their areas
11 Writing secret code messages
12 Transforming a shape into other shape, by paper folding
