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 order is: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered by the acronym PEMDAS.

Front

What does the acronym GEMA stand for in the context of order of operations?

Back

GEMA stands for Grouping symbols, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the first step in solving an expression with parentheses?

Back

The first step is to solve any operations inside parentheses.

Front

How do you handle multiplication and division in an expression?

Back

Multiplication and division are performed from left to right, depending on which comes first in the expression.

Front

What is the last step in the order of operations?

Back

The last step is to perform addition and subtraction from left to right.

Front

Solve the expression: 8 + 2 x 5.

Back

The answer is 18. (First, multiply 2 x 5 = 10, then add 8 + 10 = 18.)

Front

Solve the expression: (3 + 5) x 2.

Back

The answer is 16. (First, solve inside the parentheses: 3 + 5 = 8, then multiply: 8 x 2 = 16.)

Front

What is the result of 20 - 4 ÷ 2?

Back

The answer is 18. (First, divide 4 ÷ 2 = 2, then subtract: 20 - 2 = 18.)

Front

What does the M in GEMA represent?

Back

The M stands for Multiplication.

Front

What does the E in GEMA represent?

Back

The E stands for Exponents.