Identifying Parts of Expressions & Writing Expressions

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an expression. For example, in the term 3n, 3 is the coefficient.

Front

Which term contains a coefficient in the expression m + 3n + p + 3?

Back

3n

Front

What is a constant?

Back

A constant is a term that has a fixed value and does not change. It has no variables.

Front

What is the expression for the sum of 6 and x?

Back

6 + x

Front

How do you write '10 less than a number n' as an expression?

Back

n - 10

Front

What is the expression for '5 less on dinner than James spent'?

Back

j - 5

Front

What is a variable in an expression?

Back

A variable is a symbol, often a letter, that represents an unknown value in an expression.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

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.

Front

What is the term for the number that is added or subtracted in an expression?

Back

This number is called a constant.