Assalamu’alaikum wr wb,

This is Part 3/3 of Maths is Fun, How to Learn Simple Multiplication.
Click here to read Part 1 or click here to read Part 2.

PART 3.

In Part 2, I promised to show you how to multiply 12×12 with this method?

Please, take a look at this picture!.

How many jumps do you need to go from 10 to 12?

Yes, of course 2!

Now, write 2 next to 12. Like this;

Now, Let’s multiply 2 by 2.

In this method we will add diagonally instead of subtracting diagonally.
Now, Let’s add diagonally 12 add 2 (12+2) and write the result like this;

Yes, the answer is 144.

Now, Can you do my challenge?

11×11= ? 12×11= ?
11×12= ? 12×12= ?
11×13= ? 12×13= ?
11×14= ? 12×14= ?
11×15= ? 13×11= ?
11×16= ? 13×12= ?
11×17= ? 13×13= ?
11×18= ? 14×11= ?
11×19= ? 14X12= ?

Remember, Practise makes perfect!.

Wassalamu’alaikum wr wb.