Question

What is the missing digit in the lattice multiplication table of 12 and 11 that is shown below?

Answer 1

The given table represents the lattice multiplication of 12 and 11.

$12\times 11$

Step 1: Draw the lattice with 2 rows and 2 columns. Label the lattice, and draw the extended diagonals as shown below.


Step 2: Multiply the digits in each row and column as shown below.


$\therefore$ The missing digit is 1.

Thus, the complete lattice multiplication table: