Pre-Algebra Vocabulary Quiz

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Questions and Answers

What are inverse operations?

Operations that do the exact opposite of each other (correct)

Operations that multiply numbers

Operations that add numbers

Operations that ignore variables

What are like terms?

Expressions that contain the same variables to the same power (correct)

Expressions that contain different variables

Number operations

Terms that do not involve variables

What are terms?

The parts of an expression that are added together.

What is a coefficient?

The numerical factor of a term that contains a variable. Signup and view all the answers

What is a constant?

A term that does not contain a variable. Signup and view all the answers

What are two-step equations?

Equations that contain two operations Signup and view all the answers

What are variables?

Symbols used to represent unspecified numbers or values. Signup and view all the answers

What are commutative properties?

In multiplication or addition, the order of two numbers may be switched and the answer remains the same. Signup and view all the answers

What are associative properties?

The way numbers are grouped does not matter when adding or multiplying. Signup and view all the answers

What is the identity property?

The sum of 0 and any number is the number; the product of 1 and any number is the number. Signup and view all the answers

What is the multiplicative identity?

Any number times one equals that number. Signup and view all the answers

What is the additive identity?

a + 0 = a. Signup and view all the answers

What is area?

The number of square units needed to cover a surface. Signup and view all the answers

What is perimeter?

The distance around a figure. Signup and view all the answers

What does it mean for lines to be parallel?

Lying in the same direction and always the same distance apart. Signup and view all the answers

What does it mean for lines to be perpendicular?

Intersecting at or forming right angles. Signup and view all the answers

What is altitude?

The perpendicular distance from the base of a geometric figure to the opposite vertex. Signup and view all the answers

What is the mean?

An average of n numbers computed by adding some function of the numbers and dividing by some function of n. Signup and view all the answers

What is the median?

The middle number in a set of numbers that are listed in order. Signup and view all the answers

What is the mode?

The number that occurs most often in a set of data. Signup and view all the answers

What is range?

The difference between the greatest and least numbers in a set of data. Signup and view all the answers

Study Notes

Pre-Algebra Concepts

Inverse Operations: Operations that reverse each other, such as addition and subtraction.
Like Terms: These are expressions that share the same variables raised to the same powers, which can be combined during simplification.
Terms: Individual components of an expression that are added together, contributing to the overall value.
Coefficient: The numerical factor that multiplies a variable in a term, indicating how many units of the variable are present.
Constant: A term that holds a fixed value and does not incorporate any variables.

Expression Simplification

Simplifying Variable Expressions: The process of combining like terms and reducing expressions to their simplest form for clearer understanding.

Equations

Two-step Equations: These equations require two operations to solve, involving more than one mathematical operation.

Variables

Variables: Symbols, often letters, that represent numbers or values that are not specified, allowing for generalized mathematical expressions.

Mathematical Properties

Commutative Properties: In addition and multiplication, the order of numbers does not affect the result (e.g., a + b = b + a).
Associative Properties: The grouping of numbers does not change the outcome in addition or multiplication (e.g., (a + b) + c = a + (b + c)).
Identity Property: The identity for addition is 0 (a + 0 = a) and for multiplication is 1 (N × 1 = N).
Multiplicative Identity: Multiplying any number by one returns the original number.
Additive Identity: Adding zero to any number retains the original number.

Geometric Measurements

Area: The total number of square units required to completely cover a surface.
Perimeter: The total distance surrounding a geometric figure, calculated by adding the lengths of all sides.
Parallel Lines: Lines that run in the same direction and remain equidistant from each other.
Perpendicular Lines: Lines that intersect forming right angles (90 degrees).
Altitude: The height measured perpendicularly from the base of a geometric figure to its apex or opposite side.

Data Analysis

Mean: The average value calculated by adding a set of numbers and then dividing by the quantity of those numbers.
Median: The middle value found in a sorted list of numbers, providing a measure of central tendency.
Mode: The value that appears most frequently within a data set, indicating the most common occurrence.
Range: The measure of variability calculated by subtracting the smallest number from the largest in a data set.

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Description

Test your knowledge of key terms in pre-algebra with this quiz. Each card presents a definition for you to match with its corresponding vocabulary word. Perfect for reinforcing important concepts like inverse operations and like terms.