Download - Traditional Multiplication
Transcript
Traditional method 21 x 13 = ?
2 1
x 1 33 x 1 = 3 write down the 3.
36 3 x 2 = 6 write down the 6
10 x 1 = 10 write down the 10
1 x 2 = 2 write down the 2
Add the numbers
1 02
2 7 3
Traditional method
45 x 34 = ?
4 5
x 3 44 x 5 = 20 write down the 0, carry the 2.
08 4 x 4 = 16, add 2 write down the 18
30 x 5 = 150 write down the 50, carry the one
3 x 4 =12, add the 1, write down the 13
Add the numbers
5 03
5 3 3
1
1
1
1
2