HSPT study materials
HSPT study resources

HSPT key terms

HSPT · Get comfortable with the vocabulary.

synonym

A word that has the same or nearly the same meaning as another word. For example, 'begin' and 'start' are synonyms, so recognizing them helps you match pairs in analogy and vocabulary questions.

Related: antonym, analogy
antonym

A word that means the opposite of another word. For example, 'hot' and 'cold' are antonyms, so spotting opposites helps you eliminate wrong answer choices in verbal questions.

Related: synonym, analogy
analogy

A comparison that shows how two pairs of words relate in the same way. For example, 'bird is to nest as bee is to hive' shows a creature-to-home relationship you must identify and match.

Related: synonym, antonym, classification
classification

The skill of sorting items into groups based on shared features, or finding the one item that does not belong. It tests whether you can spot the common trait among words or numbers.

Related: analogy, category
category

A group of things that share a common feature, such as 'fruits' or 'vehicles.' Recognizing which category a word belongs to helps you solve word-grouping and analogy questions.

Related: classification, analogy
prefix

A word part added to the beginning of a base word that changes its meaning, such as 'un-' in 'unhappy' or 'pre-' in 'preview.' Knowing common prefixes helps you decode unfamiliar words.

Related: suffix, root word
suffix

A word part added to the end of a base word that changes its meaning or part of speech, such as '-less' in 'fearless' or '-ly' in 'quickly.' Recognizing suffixes helps you figure out word meaning.

Related: prefix, root word
root word

The basic part of a word that carries its core meaning and to which prefixes and suffixes are added. For example, 'port' meaning 'carry' appears in 'transport' and 'portable.'

Related: prefix, suffix
context clue

Information in the surrounding words or sentences that helps you figure out the meaning of an unfamiliar word. Using context clues lets you infer meaning without a dictionary.

Related: inference, synonym
main idea

The central point or most important message of a passage. Every other sentence supports or explains it, so identifying it helps you answer comprehension questions accurately.

Related: supporting detail, topic sentence, summary
supporting detail

A fact, example, or reason that explains or backs up the main idea of a passage. Details answer who, what, when, where, or why and give evidence for the central point.

Related: main idea, topic sentence
topic sentence

A sentence, usually near the start of a paragraph, that states the paragraph's main idea. It guides the reader by announcing what the rest of the paragraph will explain.

Related: main idea, supporting detail
inference

A conclusion you draw by combining clues in the text with your own knowledge, even though the text does not state it directly. Inferences must be supported by evidence in the passage.

Related: context clue, conclusion
conclusion

A judgment or decision reached after considering the information in a passage. It follows logically from the details given and answers questions about what the text suggests or proves.

Related: inference, main idea
summary

A brief statement that restates the most important points of a passage in your own words. A good summary covers the main idea and key details without adding opinions.

Related: main idea, supporting detail
author's purpose

The reason a writer creates a text, such as to inform, persuade, entertain, or explain. Identifying the purpose helps you judge the tone and intent of a passage.

Related: main idea, tone
tone

The attitude a writer expresses toward the subject, such as serious, humorous, or critical. Word choice reveals tone, which helps you interpret how the author feels about the topic.

Related: author's purpose, context clue
fact

A statement that can be proven true or false with evidence. Distinguishing facts from opinions helps you evaluate claims and answer critical-reading questions correctly.

Related: opinion, inference
opinion

A statement that expresses a belief, feeling, or judgment that cannot be proven true or false. Words like 'best' or 'should' often signal an opinion rather than a fact.

Related: fact, tone
sequence

The order in which events or steps happen in a passage or problem. Recognizing sequence words like 'first,' 'then,' and 'finally' helps you follow directions and story events.

Related: main idea, supporting detail
ratio

A comparison of two quantities by division, often written as a fraction or with a colon, such as 3:4. Ratios show how much of one thing there is compared with another.

Related: proportion, percent
proportion

An equation stating that two ratios are equal, such as 2/3 = 4/6. You solve proportions by cross-multiplying to find an unknown value.

Related: ratio, percent
percent

A ratio that compares a number to 100, written with the % symbol. For example, 25% means 25 out of every 100, and percents are used to find parts of a whole.

Related: ratio, proportion
average (mean)

The sum of a set of numbers divided by how many numbers there are. It gives a single value that represents the center of the data set.

Related: median, mode
median

The middle value in a set of numbers arranged in order from least to greatest. If there are two middle numbers, the median is their average.

Related: average (mean), mode
mode

The number that appears most often in a set of data. A data set may have one mode, more than one mode, or no mode at all.

Related: average (mean), median
perimeter

The total distance around the outside of a flat shape. You find it by adding the lengths of all the sides, measured in linear units like inches or centimeters.

Related: area, volume
area

The amount of surface a flat shape covers, measured in square units such as square inches. For a rectangle, area equals length times width.

Related: perimeter, volume
volume

The amount of space a three-dimensional object occupies, measured in cubic units. For a rectangular box, volume equals length times width times height.

Related: area, perimeter
fraction

A number that represents part of a whole, written as one number over another, such as 3/4. The top number is the numerator and the bottom is the denominator.

Related: decimal, ratio
decimal

A number written using a decimal point to show values less than one or place value, such as 0.75. Decimals can be converted to fractions and percents.

Related: fraction, percent
integer

A whole number that can be positive, negative, or zero, such as -3, 0, or 7. Integers do not include fractions or decimals.

Related: fraction, decimal
variable

A letter or symbol that stands for an unknown number in an expression or equation, such as x in 2x + 5. Variables let you write general rules and solve for unknowns.

Related: equation, expression
equation

A mathematical statement that two expressions are equal, connected by an equals sign, such as 3 + 4 = 7. Solving an equation means finding the value that makes it true.

Related: variable, expression
expression

A combination of numbers, variables, and operations without an equals sign, such as 5x - 2. Expressions can be simplified or evaluated but not 'solved' like equations.

Related: equation, variable
subject-verb agreement

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

Related: pronoun, sentence fragment
pronoun

A word that replaces a noun, such as he, she, it, or they. Pronouns must agree with the noun they replace in number and gender.

Related: subject-verb agreement, antecedent
antecedent

The noun that a pronoun refers back to in a sentence. For example, in 'Maria lost her book,' Maria is the antecedent of 'her.'

Related: pronoun, subject-verb agreement
sentence fragment

A group of words that is punctuated like a sentence but lacks a subject, a verb, or a complete thought. Fragments must be corrected by adding the missing part.

Related: run-on sentence, subject-verb agreement
run-on sentence

Two or more complete sentences joined without correct punctuation or a connecting word. Run-ons are fixed by adding a period, semicolon, or conjunction.

Related: sentence fragment, conjunction
conjunction

A word that connects words, phrases, or clauses, such as and, but, or because. Conjunctions help combine ideas and fix run-on sentences.

Related: run-on sentence, sentence fragment
modifier

A word or phrase that describes or limits another word, such as an adjective or adverb. A misplaced modifier is placed too far from the word it describes, causing confusion.

Related: conjunction, subject-verb agreement