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Class 4
Mathematics: Maths Mela
117 lessons in 14 chapters, explained in plain words.
Shapes Around Us
Prisms and pyramids
Faces, corners and edges
Sorting solids
Which solid am I?
Nets
Opposite faces of a cube
Right, acute and obtuse angles
Triangles keep their shape
Parts of a circle
Angles in flat shapes
Hide and Seek
Views of a brick
Front, top, side or back?
Views of solids
Rows and desks
Rows and columns on a grid
Steps on a grid
Reading a school map
Pattern Around Us
Counting in equal groups
Counting money
Even and odd by pairing
Even or odd from the last digit
Making even and odd numbers
Thousands Around Us
Numbers in many forms
Making 3-digit numbers
After 999
Making 1000
Regrouping
4-digit numbers
Counting on and back
The number line
Comparing 4-digit numbers
Sharing and Measuring
Halves and quarters
Equal shares
Comparing unit fractions
Parts of a garden
Fractions of a dosa
Fraction of a group
Equal fractions
Are the parts equal?
Measuring Length
Longer or shorter than a metre
Halves and quarters of a metre
Estimating long lengths
Centimetres
Measuring with a scale
Metres and centimetres
Perimeter
The Cleanest Village
Shopping lists
Balance and change
A two-step money puzzle
The triangle puzzle
Adding with regrouping
Subtracting with regrouping
Add or subtract?
Using a round number
Missing digits
Weigh It, Pour It
Kilograms and grams
The pan balance
Kilograms or grams?
Small weights, big weights
Estimating weight
Litres and millilitres
Filling a container
Estimating capacity
Equal Groups
Skip-counting jumps
Common multiples
Multiplication statements
Arrays
Doubling and halving
The times chart
Multiplying by tens and hundreds
2-digit × 1-digit
Division with a remainder
3-digit × 1-digit
Sharing larger numbers
Always, sometimes, never
Elephants, Tigers, and Leopards
The game of NIM
The addition chart
A number and its reverse
Number sequences
Adding 4-digit numbers
Subtracting 4-digit numbers
More than, less than
A bank deposit slip
Easy ways to add and subtract
Fun with Symmetry
Lines of symmetry
Fold and cut
Completing a symmetrical design
Mirrors and squares
Mirror numbers
Mirror writing
Counting lines of symmetry
Tiling patterns
Ticking Clocks and Turning Calendar
Leap years
Days of the week
Writing dates
Hours in a day
AM, PM and 24-hour time
How long does it take?
Parts of an hour
Reading a clock
The Transport Museum
Missing factors
Multiplying by 10 and 100
Tables from 11 to 20
Multiples of 10 and 100
Doubling and halving
Grid multiplication
Dividing by a 2-digit number
Dividing by 10 and 100
Word problems in steps
Notes and coins
A teen-number pattern
Vehicles and seats
Data Handling
Asking the right question
Counting into a table
Two ways to show data
Girls, boys, chess and cricket
Reading a pictograph