High School Maths Examples and Questions

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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 8000200040
6 1200300 6

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

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