Everything else in maths is built on number sense: what a number means, how place value works, and why a method like carrying or long division gives the right answer. Kanakku draws every sum as a picture first (coins, ten frames, place-value blocks), so the method makes sense before it becomes routine. It is the right place to start whether you are learning this for the first time or filling old gaps.
Thousands, place value, expanded form and rounding.
In a 4-digit number, each place is worth 10 times the place to its right.
3-digit sums with carrying and borrowing. Guess first!
Line up the columns. Guess first, then check.
Tables, rows of mangoes, and 2-digit × 1-digit.
Multiplication is equal groups. Big multiplications are made of small ones.
Share equally, make groups, find what is left over.
Dividing is sharing equally. Multiplication facts help you divide.
Equal parts of a whole: half, third, quarter.
A fraction is an equal part of a whole. Half means 2 equal parts.
Clocks to 5 minutes, bills and change.
For the long hand, each number on the clock is 5 minutes. Rupees add like normal numbers.
Use a ruler, and choose cm, m, g or kg.
We measure small lengths in centimetres and big ones in metres. 100 cm = 1 m.
Read pictures and tally marks to count and compare.
Pictures and tallies help us count and compare.
Find the question, say it in your own words, then draw it.
Big numbers are read in groups. The comma helps: 45,678 is forty-five thousand, six hundred seventy-eight.
Learn the tables one at a time with dots and tricks.
Big numbers are read in groups. The comma helps: 45,678 is forty-five thousand, six hundred seventy-eight.
Chennai story sums with small numbers.
Big numbers are read in groups. The comma helps: 45,678 is forty-five thousand, six hundred seventy-eight.
