Evaluating Expressions

Front

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

Back

44

Front

Evaluate when a = 15: 2(a - 5) + 2

Back

22

Front

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

Back

18

Front

Evaluate b² + 4 when b = 3

Back

13

Front

Evaluate the expression. Let g = 3 and h = 9: 4h + 2g + 4

Back

46

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) 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 (often a letter) that represents an unknown value in an expression or equation.

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

Evaluate 3x + 5 when x = 4

Back

17