Evaluating Expressions

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 given numbers.

Front

Evaluate p + 3 when p = 8.

Back

11

Front

Evaluate m² if m = 7.

Back

49

Front

Evaluate 3(x + 4) when x = 2.

Back

18

Front

Evaluate 3d if d = 5.

Back

15

Front

Evaluate n³ if n = 4.

Back

64

Front

What is the value of x if x + 5 = 10?

Back

5

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.