Evaluating Expressions

Front

Evaluate the expression 8a - b if a = 10 and b = 6

Back

74

Front

Evaluate the expression 2(x + 5) when x = 6

Back

22

Front

A variable represents...

Back

an unknown amount that can be anything

Front

You order framed pictures for $14.25 each and the website charges $4.50 for each shipment. The expression $14.25p + $4.50 represents the cost of p pictures. Find the total cost for ordering 4 framed pictures.

Back

61.5

Front

Back

10

Front

What is an expression in mathematics?

Back

A combination of 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

Back

13

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Evaluate the expression 5x + 3 when x = 2

Back

13