For an SOP expression in standard form, a 1 is placed on the K-map for each product term in the expression.
Usually, when working with SOP expressions, the 0s are left off the map.
Steps:
- Determine the binary value of each product term in the standard SOP expression.
- Place a 1 on the k-map in the cell having the same value as the product term.

Example:

Mapping a Non-standard SOP expression:
