Long Multiplication
This is when you are multiplying by a 'large' number.
(where you don't know the 'times table')Worked example
Multiply 343 by 52
You probably don't know your 52 x table !!!
3
4
3
5
2
x
The 5 is really a 50
The 2 is just a 2
1
7
1
5
0
343 x 50 i.e. put down a '0' and multiply by 5
6
8
6
+
343 x 2
1
7
8
3
6
Add the 2 answers to give the final answer