Evaluating Expressions

Front

Evaluate c² - 11 if c = 8

Back

53

Front

Evaluate b² + 3 if b = 9

Back

84

Front

Evaluate 3b + 4c if b = 9 and c = 3

Back

39

Front

Evaluate 3d if d = 5

Back

15

Front

Evaluate m - n if m = 29 and n = 11

Back

18

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 does it mean to evaluate an expression?

Back

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

Front

What is a variable in mathematics?

Back

A variable is a symbol (like x or y) that represents an unknown value.

Front

What is the order of operations?

Back

The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the value of 2x + 3 when x = 4?

Back

11