Podcast
Questions and Answers
What does the term 'numerical expression' refer to?
What does the term 'numerical expression' refer to?
- consists of words and numbers
- consists of letters and operations
- consists of numbers and operations (correct)
- a letter used to represent numbers
What is a variable in mathematics?
What is a variable in mathematics?
a letter used to represent one or more numbers
What is a variable expression?
What is a variable expression?
consists of numbers, variables, and operations
To evaluate a variable expression, substitute a number for each variable and evaluate the resulting ______.
To evaluate a variable expression, substitute a number for each variable and evaluate the resulting ______.
What is a verbal model?
What is a verbal model?
What is a power in mathematics?
What is a power in mathematics?
What part of a power is referred to as the base?
What part of a power is referred to as the base?
What does the exponent in a power indicate?
What does the exponent in a power indicate?
What is the order of operations?
What is the order of operations?
Define an integer.
Define an integer.
What are negative integers?
What are negative integers?
What are positive integers?
What are positive integers?
What is absolute value?
What is absolute value?
What does it mean for two numbers to be opposites?
What does it mean for two numbers to be opposites?
What is the additive inverse of a number?
What is the additive inverse of a number?
Define the term difference in mathematics.
Define the term difference in mathematics.
What is the mean?
What is the mean?
What is the median?
What is the median?
What is the mode?
What is the mode?
What is range in statistics?
What is range in statistics?
Define a coordinate plane.
Define a coordinate plane.
What is an ordered pair?
What is an ordered pair?
What is a scatter plot?
What is a scatter plot?
Flashcards
Numerical Expression
Numerical Expression
A combination of numbers and mathematical operations.
Variable
Variable
A letter representing an unknown value.
Variable Expression
Variable Expression
A math phrase including numbers, variables, and operations.
Evaluate
Evaluate
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Verbal Model
Verbal Model
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Power
Power
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Base
Base
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Exponent
Exponent
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Order of Operations
Order of Operations
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Integer
Integer
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Negative Integer
Negative Integer
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Positive Integer
Positive Integer
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Absolute Value
Absolute Value
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Opposite
Opposite
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Additive Inverse
Additive Inverse
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Difference
Difference
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Mean
Mean
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Median
Median
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Mode
Mode
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Range
Range
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Coordinate Plane
Coordinate Plane
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Ordered Pair
Ordered Pair
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Scatter Plot
Scatter Plot
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Study Notes
Pre-Algebra Vocabulary
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Numerical Expression: A combination of numbers and operations that represent a specific value.
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Variable: A symbol (usually a letter) that represents one or more numbers in mathematical expressions.
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Variable Expression: An expression that includes numbers, variables, and mathematical operations.
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Evaluate: The process of substituting numbers for variables in a variable expression to compute a numerical value.
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Verbal Model: A description of a mathematical problem using words and symbols to relate different concepts.
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Power: The result obtained from multiplying the same factor several times; composed of a base and an exponent.
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Base: The number that is multiplied in a power expression; serves as the fundamental factor.
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Exponent: Indicates how many times the base is multiplied by itself in a power expression.
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Order of Operations: A set of rules agreed upon by mathematicians for evaluating expressions with multiple operations, often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division, Addition and Subtraction).
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Integer: Whole numbers that can be positive, negative, or zero, represented as {..., -3, -2, -1, 0, 1, 2, 3, ...}.
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Negative Integers: Integers that are valued less than zero, such as -1, -2, -3, etc.
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Positive Integers: Integers that are valued greater than zero, including 1, 2, 3, etc.
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Absolute Value: The non-negative distance of a number from zero on the number line, disregarding its sign.
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Opposite: Two numbers that have the same absolute value but differ in sign (e.g., -3 and 3).
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Additive Inverse: The opposite of a number, which sums with the original number to yield zero.
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Difference: The outcome of subtracting one number from another.
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Mean: The average value calculated by dividing the sum of a set of numbers by the count of those numbers.
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Median: The middle value of a numerical data set when ordered; if the number count is even, the median is the average of the two middle values.
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Mode: The number that appears most frequently in a data set.
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Range: The difference between the highest and lowest values in a data set.
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Coordinate Plane: Formed by the intersection of a horizontal axis (x-axis) and a vertical axis (y-axis), allowing for the visualization of points.
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Ordered Pair: A pair of numbers (x, y) used to define a specific point on a coordinate plane.
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Scatter Plot: A graphical representation that uses the coordinate plane to display two-variable data, showing patterns and relationships.
Studying That Suits You
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Description
Test your knowledge of key pre-algebra vocabulary with these flashcards. This quiz covers essential terms such as numerical expressions and variables, helping you understand the building blocks of algebraic concepts. Perfect for students looking to reinforce their understanding of pre-algebra terms.
