Evaluate Expressions

Front

Evaluate 2r + 1 if r = 3

Back

7

Front

Evaluate 3u + 12 if u = 7

Back

33

Front

Evaluate 2q + 3 if q = 5

Back

13

Front

Evaluate h ÷ 0.07 if h = 4.9

Back

70

Front

Evaluate 7y - 3y if y = 2

Back

8

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?

Back

A variable is a symbol (like x or y) 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

What is the result of 5 + 3 * 2?

Back

11