MAP Language Usage key terms

The most important point a passage or paragraph conveys about its topic. It is what the author most wants readers to understand and is often stated near the beginning or end.

A fact, example, statistic, or reason that explains or proves the main idea. Details answer questions such as who, what, when, where, why, and how.

A conclusion a reader draws by combining clues in a text with prior knowledge. The answer is not stated directly but is strongly suggested by the evidence.

Information in surrounding words, sentences, or paragraphs that helps a reader figure out the meaning of an unfamiliar word. Clues include definitions, examples, synonyms, antonyms, and contrasts.

A brief restatement of a text's main points in your own words. A good summary keeps essential ideas, leaves out minor details, and does not add personal opinion.

A broader message or insight about life that a literary work communicates, such as the value of perseverance. Themes are usually implied rather than stated outright.

The reason an author writes a text, commonly to inform, persuade, entertain, or explain. Purpose shapes word choice, structure, and the kinds of details included.

The attitude a writer expresses toward the subject or audience, conveyed through word choice and sentence structure. Tone may be humorous, serious, sarcastic, or hopeful.

The feeling a reader experiences while reading a text, created by setting, imagery, and word choice. Mood differs from tone, which is the writer's own attitude.

The perspective from which a story is told. First person uses I or we, third-person limited follows one character, and third-person omniscient reveals many characters' thoughts.

The voice or character that tells a story. A narrator can be a participant in the events or an outside observer with varying knowledge about characters.

Words used in a nonliteral way to create vivid comparisons or effects, including simile, metaphor, personification, and hyperbole. It goes beyond dictionary meaning to add imagery.

A comparison of two unlike things using the words like or as, such as cheeks as red as apples. It clarifies a description by linking the unfamiliar to the familiar.

A direct comparison that states one thing is another without using like or as, such as the classroom was a zoo. It suggests shared qualities between the two things.

A figure of speech giving human qualities to animals, objects, or ideas, such as the wind whispered through the trees. It creates imagery and emotional effect.

Descriptive language appealing to the senses of sight, sound, smell, taste, or touch. Vivid imagery helps readers picture scenes and shapes the mood of a text.

A word with a meaning similar to another word, such as begin and start. Synonyms are rarely identical in nuance, so context decides which fits best.

A word with an opposite meaning to another word, such as scarce and abundant. Antonyms in a sentence can signal contrast and help readers deduce an unfamiliar word's meaning.

A meaningful word part attached before a base word that changes its meaning, such as un- in unhappy or pre- in preview. Knowing common prefixes helps decode unfamiliar words.

A meaningful word part added after a base word that changes its meaning or part of speech, such as -less in hopeless or -tion in creation.

The core part of a word that carries its basic meaning and remains after prefixes and suffixes are removed. Recognizing roots helps readers infer meanings of related words.

The rule that a verb must match its subject in number and person. A singular subject takes a singular verb, while a plural subject takes a plural verb.

The rule that a pronoun must match its antecedent, the noun it refers to, in number and gender. Each student should bring his or her book, not their book, in formal usage.

The form of a verb showing when an action occurs, such as past, present, or future. Consistent tense keeps a narrative clear and prevents confusing shifts in time.

An error in which two independent clauses are joined by only a comma. It can be fixed with a period, semicolon, or conjunction, or by making one clause dependent.

Two or more independent clauses written together without correct punctuation or a conjunction. It forces readers to guess where one complete thought ends and the next begins.

A group of words containing a subject and a verb that can stand alone as a complete sentence. It expresses a full thought, unlike a dependent clause.

A group of words with a subject and verb that cannot stand alone because it begins with a subordinating word such as because or although. It must attach to an independent clause.

Restating a text's meaning in your own words while keeping the original ideas and approximate length. Paraphrasing demonstrates understanding and avoids copying an author's exact phrasing.

To name the source of information, ideas, or quoted words used in your writing. Citations give credit, let readers verify claims, and help writers avoid plagiarism.

A comparison of two quantities by division, often written as 3:4 or 3/4. Ratios describe relationships such as the proportion of boys to girls in a class.

An equation stating that two ratios are equal, such as 2/3 = 4/6. Proportions allow you to solve for an unknown value when quantities scale at a constant rate.

A rate expressed per one unit of a quantity, such as miles per hour or cost per ounce. Unit rates make comparisons between different offers or speeds straightforward.

The arithmetic average found by adding all values in a data set and dividing by the number of values. It is sensitive to extreme values called outliers.

The middle value of a data set arranged in order. With an even number of values, it is the mean of the two middle numbers and is less affected by outliers than the mean.

The value that appears most frequently in a data set. A set may have one mode, several modes, or no mode if all values occur equally often.

A letter or symbol representing an unknown or changing quantity in an expression or equation, such as x in 3x + 5. Variables let you generalize relationships.

A mathematical phrase combining numbers, variables, and operations without an equals sign, such as 4n - 7. Expressions are evaluated or simplified, not solved.

A mathematical statement asserting that two expressions are equal, shown with an equals sign. Solving an equation means finding values of the variable that make it true.

A testable prediction or proposed explanation that can be checked through observation or experiment. It guides what data a scientist collects and how results are interpreted.

Data, observations, or facts that support or challenge a claim. In science and in reading, conclusions should rest on evidence rather than opinion or assumption.