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Prefixes Say Plenty: Activity 1 of 3

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A prefix is a letter or group of letters attached to the beginning of a root word to change its meaning.

For example, “pre-” is a prefix that means “before.” “Post-” is a prefix that means “after.”

When baking, an oven is often preheated—or heated before the food is placed into the oven.

In sports, play-off games happen in postseason—after the regular season. 


Find the prefix in this sentence and type before or after in the blank.

a surgical operation, a patient is preoperative.

Question 1 of 9