Evaluating Expressions

Front

Evaluate 2a + 4b if a = 10 and b = 6

Back

44

Front

Evaluate 2y when y = 8

Back

16

Front

Evaluate m² if m = 7

Back

49

Front

Evaluate p + 3 when p = 8

Back

11

Front

Evaluate 3d if d = 5

Back

15

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 the variables with their given values.

Front

What is a variable in mathematics?

Back

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

Front

What is the order of operations?

Back

The order of operations is a set of rules that determines 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 x if 5x = 25?

Back

5