Write Expressions

Front

What does it mean to 'write an expression'?

Back

To write an expression means to create a mathematical phrase that can include numbers, variables, and operations (like addition, subtraction, multiplication, and division) to represent a value.

Front

What is the sum of two numbers?

Back

The sum is the result of adding two or more numbers together.

Front

What does the (E) in PEMDAS stand for?

Back

The (E) in PEMDAS stands for Exponents.

Front

What is the difference between an expression and an equation?

Back

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

Front

What does the (D) in PEMDAS represent?

Back

The (D) in PEMDAS represents Division.

Front

How do you represent '3 times a number x'?

Back

You represent it as 3x.

Front

What is the product of 4 and 5?

Back

The product is 20.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the expression for 'the sum of 8 and 12'?

Back

The expression is 8 + 12.

Front

What is the first step in solving the expression (3 + 5) x 2?

Back

The first step is to perform the operation inside the parentheses: 3 + 5 = 8.