Numeric Expressions

Front

What is a numeric expression?

Back

A numeric expression is a mathematical phrase that includes numbers and operations (like addition, subtraction, multiplication, and division) but does not have an equal sign.

Front

What is the order of operations?

Back

The order of operations is a set of rules that tells you the sequence in which to solve different parts of a math expression. The order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered as PEMDAS.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations in the correct order.

Front

What is the result of 4 + 5?

Back

9

Front

What is the result of 10 - 2?

Back

8

Front

What is the result of 3 x 4?

Back

12

Front

What is the result of 20 ÷ 5?

Back

4

Front

What is the purpose of parentheses in math?

Back

Parentheses are used to group parts of an expression together, indicating that the operations inside should be performed first.

Front

How do you write an expression for the total cost of 5 items that each cost $2?

Back

$2 x 5

Front

What is the result of (3 + 2) x 4?

Back

20