Lesson 7.1Evaluating Expressions

Front

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

Back

46

Front

Evaluate the expression: 2a + 4b if a = 10 and b = 6

Back

44

Front

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

Back

18

Front

Evaluate c² - 11 if c = 8

Back

53

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 (often a letter) that represents an unknown value in an expression or equation.

Front

What is the order of operations in mathematics?

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 g if 4h + 2g + 4 = 46 and h = 9?

Back

3