TEKS 5.4B: Equations & Expressions

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables and constants.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation or expression.

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

Front

What is the order of operations in mathematics?

Back

The order of operations is the rules that dictate the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often remembered by the acronym PEMDAS.

Front

How do you represent a total amount in an equation?

Back

Front

What is the distributive property?

Back

Front

How do you find the average of a set of numbers?

Back

To find the average, add all the numbers together and then divide by the total count of the numbers.

Front

What is a coefficient in an algebraic expression?

Back

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing operations.