Long Multiplication − Box Method

Example 1.      251 × 46 =

(a)   create a table: with 200, 50 and 1 in the first row; and 40 and 6 in the first column as shown below:

×	200	50	1
40
6

(b)   complete the missing cells by multiplying as follows:

×	200	50	1
40	8000	2000	40
6	1200	300	6

(c)   add up all the values that were multiplied in second step above:

8000
2000
40
1200
300
+    6
-------
11546

         to: