In the Matching Game activity, the user is given a list of words that must be grouped into categories. The categories could be pairs of words, such as synonyms, countries and capitals, or vocabulary and definitions. Or they could be larger groups, such as types of animals or parts of speech.
There are two variations of the Matching Game. When you create the activity, you choose which variation to use:
You can further adjust the difficulty of the activity by setting a time limit for it and by changing the number of mistakes the user is allowed to make.