Definition of CONTEXT (from Merriam-Dictionary)
: the parts of a discourse that surround a word or passage and can throw light on its meaning
Spellingcity.com states: Context refers to the words or sentences that surround a particular word, idea or passage which either greatly influence or outright define it.
This is a very important skill to learn while learning to read and spell. Spellingcity.com has some great games for each grade level K-2nd, 3rd-5th, 6th-8th, and 9th-12th grades. No matter what your grade level or even your ability level there is a game for you to use and work with.
Even better is they are not just context games but definition games also. This also is a very important skill to have when you are learning to read and spell. Some of the games are based on math words while others are based on books that you might be reading or have read.
Stop by Spellingcity.com and try out the context/definition games.