TABE study materials
TABE study resources

TABE key terms

TABE · Get comfortable with the vocabulary.

main idea

The most important point a passage makes about its topic. It is often stated in a topic sentence and is supported by the other details in the text.

Related: supporting detail, summary
supporting detail

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

Related: main idea, inference
inference

A conclusion a reader draws by combining information in the text with what the reader already knows. The answer is suggested by the passage but not stated word for word.

Related: main idea, context clue
context clue

A word, phrase, or sentence near an unfamiliar word that helps a reader guess its meaning. Common types include definitions, examples, opposites, and the general sense of the sentence.

Related: inference, main idea
fact and opinion

A fact can be proven true with evidence, while an opinion is a belief, feeling, or judgment that cannot be proven. Readers tell them apart by asking whether a statement can be checked.

Related: author's purpose, tone
author's purpose

The reason an author writes a text, such as to inform, persuade, entertain, or explain. The purpose shapes the words, details, and organization the author chooses.

Related: tone, main idea
theme

The underlying message or lesson about life that a story or poem conveys. It is broader than the topic and is usually shown through characters' actions and events.

Related: main idea, inference
summary

A short restatement of a text's main points in the reader's own words. A good summary keeps the main idea and key details and leaves out minor information.

Related: main idea, supporting detail
sequence

The order in which events or steps happen in a text. Signal words such as first, next, then, and finally help readers follow the order.

Related: cause and effect, compare and contrast
cause and effect

A relationship in which one event makes another event happen. The cause is why something happened; the effect is what happened as a result.

Related: sequence, inference
compare and contrast

A text pattern that shows how two or more things are alike (compare) and how they are different (contrast). Signal words include both, similarly, however, and unlike.

Related: main idea, sequence
tone

The attitude a writer expresses toward the subject or the audience, such as serious, humorous, or critical. Word choice and details work together to create it.

Related: author's purpose, fact and opinion
place value

The value of a digit based on its position in a number. In 4,703 the 7 means 700 because it sits in the hundreds place.

Related: rounding, decimal
rounding

Replacing a number with a nearby, simpler number by looking at the digit to the right of the place being rounded. If that digit is 5 or more, round up.

Related: place value, decimal
fraction

A number that names part of a whole or part of a group. It is written with a numerator on top and a denominator on the bottom, as in three-fourths.

Related: equivalent fractions, decimal
equivalent fractions

Fractions that name the same amount even though they use different numbers, such as one-half and two-fourths. Multiplying or dividing the top and bottom by the same number creates them.

Related: fraction, proportion
decimal

A number written with a decimal point to show parts of a whole using place values of tenths, hundredths, and so on. For example, 0.25 means twenty-five hundredths.

Related: place value, percent
percent

A ratio that compares a number to 100. Fifty percent means 50 out of every 100, which is the same as one-half or 0.5.

Related: decimal, ratio
ratio

A comparison of two quantities by division, often written as 3 to 4, 3:4, or 3/4. Ratios describe 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. Proportions are used to solve problems about scale, rates, and similar figures.

Related: ratio, equivalent fractions
mean

The average of a set of numbers, found by adding all the numbers and dividing by how many numbers there are. Very large or small values can pull it up or down.

Related: median
median

The middle number in a set of values arranged from least to greatest. If the count is even, it is the average of the two middle numbers.

Related: mean
perimeter

The distance around the outside of a flat shape. It is found by adding the lengths of all the sides and is measured in units such as inches or centimeters.

Related: area, volume
area

The amount of surface a flat shape covers, measured in square units. For a rectangle it is length times width.

Related: perimeter, volume
volume

The amount of space a solid figure takes up, measured in cubic units. For a rectangular box it is length times width times height.

Related: area, perimeter
order of operations

The agreed rules for evaluating an expression: do parentheses first, then exponents, then multiply and divide from left to right, then add and subtract from left to right.

Related: variable, exponent
exponent

A small raised number that tells how many times a base number is used as a factor. In 2 to the fourth power, the exponent 4 means 2 x 2 x 2 x 2.

Related: order of operations, variable
variable

A letter or symbol that stands for an unknown or changing number. In the expression 3x + 5, the letter x is the variable.

Related: equation, order of operations
equation

A mathematical statement that two expressions are equal, shown with an equals sign. Solving it means finding the value of the variable that makes the statement true.

Related: variable, order of operations
unit rate

A rate that compares a quantity to one unit of another quantity, such as 60 miles per 1 hour. Unit rates make it easy to compare prices or speeds.

Related: ratio, proportion
subject

The part of a sentence that tells who or what the sentence is about. It is usually a noun or pronoun and controls the form of the verb.

Related: predicate, subject-verb agreement
predicate

The part of a sentence that tells what the subject does or is. It always contains the verb and may include objects and other details.

Related: subject, adverb
subject-verb agreement

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

Related: subject, pronoun
pronoun

A word that replaces a noun so the noun does not have to be repeated. Examples include he, she, it, they, and them.

Related: antecedent, subject
antecedent

The noun or noun phrase that a pronoun refers to. In the sentence 'Maria lost her keys,' Maria is the antecedent of her.

Related: pronoun, subject-verb agreement
adjective

A word that describes a noun or pronoun by telling which one, what kind, or how many. Examples are tall, blue, and three.

Related: adverb, subject
adverb

A word that describes a verb, an adjective, or another adverb, often telling how, when, or where. Many adverbs end in -ly, such as quickly.

Related: adjective, predicate
comma

A punctuation mark used to separate items in a list, set off introductory words, or join parts of a sentence. It also separates a city from a state and parts of a date.

Related: apostrophe, run-on sentence
apostrophe

A punctuation mark used to show that letters have been left out of a contraction or that something belongs to someone, as in can't and Ana's book.

Related: comma, homophone
sentence fragment

A group of words punctuated like a sentence that does not express a complete thought, often because it lacks a subject, a verb, or both.

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

Two or more complete sentences joined without correct punctuation or a connecting word. It can be fixed with a period, a semicolon, or a conjunction.

Related: sentence fragment, comma
homophone

One of two or more words that sound alike but have different meanings and spellings, such as their, there, and they're.

Related: apostrophe