M7 Expressions Test Review

Front

Kenneth has g gumballs. Maggie has 29 fewer gumballs than Kenneth. How many gumballs does Maggie have?

Back

Front

What is the term for the number before a variable?

Back

The term is called a coefficient.

Front

A cell phone company charges $40 per month plus a $35 activation fee. What is the expression for the total cost for m months?

Back

Front

Translate this phrase into an algebraic expression: Triple a number increased by 16.

Back

Front

What do you call a number with no variable?

Back

A number with no variable is called a constant.

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What is a variable in mathematics?

Back

A variable is a symbol (often a letter) that represents an unknown value.

Front

What is a constant in mathematics?

Back

A constant is a fixed value that does not change.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What does it mean to evaluate an expression?

Back

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