Variables and Expressions 5.1

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number that can change or vary.

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operations (like addition and multiplication) that represents a value.

Front

What is the value of a + c if a = 5 and c = 1.5?

Back

6.5

Front

What is the value of 5g if g = 4?

Back

20

Front

What is the term for the result of a division operation?

Back

Quotient

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

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

Back

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

Front

What is the value of 8 + n if n = 7?

Back

15

Front

What is the product in mathematics?

Back

The product is the result of multiplying two or more numbers together.

Front

If x = 3, what is the value of 2x + 4?

Back

10