Write Expressions

Front

What does it mean to write an expression?

Back

Writing an expression means creating a mathematical phrase that can include numbers, variables, and operations (like addition, subtraction, multiplication, and division) without an equality sign.

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

Front

What does the (P) in PEMDAS stand for?

Back

The (P) in PEMDAS stands for Parentheses.

Front

What does the (M) in PEMDAS stand for?

Back

The (M) in PEMDAS stands for Multiplication.

Front

What does the (D) in PEMDAS stand for?

Back

The (D) in PEMDAS stands for Division.

Front

What does the (A) in PEMDAS stand for?

Back

The (A) in PEMDAS stands for Addition.

Front

What does the (S) in PEMDAS stand for?

Back

The (S) in PEMDAS stands for Subtraction.

Front

How do you simplify the expression 12 ÷ 3 x 4?

Back

You first divide 12 by 3 to get 4, then multiply by 4 to get 16.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation states that two expressions are equal, using an equality sign.

Front

What is the result of adding 3 and 11, then dividing by 2?

Back