Concepts

Combination: a way of choosing elements from a set in which order does not matter.

Rules

To find all the possible combinations to organize the data in a set, multiply to find the total number of combinations. 

(Number of choices of 1st object) × (Number of choices of 2nd object)

Example

A customer has the following options for lunch. What are the combinations that the customer can make with the following sandwiches and sides?
Add combinations using the '+' button and place the images to complete.

Solution

1. To list all possible combinations, choose the element from each set. 

Answer: 

Pre-requisite Skills

Reading Data Tables (4.4.2)