Order of operations

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. The common acronym is PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What does the term 'exponent' refer to in mathematics?

Back

An exponent refers to the number that indicates how many times to multiply the base by itself.

Front

How do you simplify an expression with parentheses?

Back

You first perform the operations inside the parentheses before applying any other operations.

Front

What is the result of the expression: -8 + (15 - 3) ÷ 4?

Back

The result is -5.

Front

What is the first step in solving the expression (4 - 2) x 9 + 7?

Back

The first step is to solve the operation inside the parentheses, which is (4 - 2).

Front

What is the value of 3 squared (3^2)?

Back

3 squared (3^2) is equal to 9.

Front

How do you handle multiplication and division in an expression?

Back

Multiplication and division are performed from left to right as they appear in the expression.

Front

What is the result of the expression: 7 + (12 - 3)^2?

Back

The result is 88.

Front

What is the second step in the order of operations?

Back

The second step is to evaluate exponents.

Front

What does the base in an exponent represent?

Back

The base is the number that is being multiplied.