Variables and Expressions 5.1

Front

Which expression matches the phrase: 3 times a number?

Back

3y

Front

If x = 7, y = 3, and z = 6, what is xz?

Back

42

Front

In the expression 6 + n, the number or constant is ____ ?

Back

6

Front

What is the answer when you subtract?

Back

difference

Front

What is 5g if g = 4?

Back

20

Front

What is a variable?

Back

A symbol used to represent a number that can change.

Front

What is an expression?

Back

A combination of numbers, variables, and operations.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting variables with numbers.

Front

What is the term for the result of adding two numbers?

Back

sum

Front

What is the term for the result of multiplying two numbers?

Back

product