Evaluating Expressions

Front

Evaluate the expression for x = 2: 4 − x

Back

2

Front

Write an algebraic expression for "8 less than a number".

Back

x - 8

Front

Evaluate 5m + 7 if m = 5

Back

32

Front

Evaluate 3x - 7 if x = 6

Back

11

Front

Write an algebraic expression for "a number subtracted from eight".

Back

8 - n

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations.

Front

What does it mean to evaluate an expression?

Back

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

Front

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

Back

10

Front

Write an algebraic expression for "twice a number increased by 5".

Back

2n + 5

Front

Evaluate the expression 7 - 2y for y = 4.

Back

-1