Expressions & Equations with Integers

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often abbreviated as PEMDAS.

Front

How do you solve for a variable in an equation?

Back

To solve for a variable, you isolate the variable on one side of the equation using inverse operations.

Front

Back

Front

Back

Front

How do you divide a negative integer by a positive integer?

Back

When you divide a negative integer by a positive integer, the result is negative.

Front

Back

Front

What does it mean for an equation to be true?

Back

An equation is true when both sides of the equation have the same value.