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 one or more variables.

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

How do you represent a total quantity in an equation?

Back

A total quantity can be represented by summing individual quantities or by using multiplication to represent repeated addition.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to multiply a single term by each term in a sum.

Front

How do you set up an equation from a word problem?

Back

Identify the quantities involved, define variables for unknowns, and translate the relationships described in the problem into mathematical expressions.

Front

What is the purpose of using parentheses in equations?

Back

Parentheses indicate which operations should be performed first in an expression, following the order of operations.

Front

What is a budget in mathematical terms?

Back

A budget is a plan that outlines expected income and expenses, often represented in an equation to track remaining funds.

Front

How do you calculate the total cost of multiple items?

Back

To calculate the total cost, multiply the number of items by the cost per item and sum any additional costs.

Front

What is the significance of the equal sign in an equation?

Back

The equal sign indicates that the expressions on both sides of it have the same value.