Evaluating Expressions

Front

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

Back

44

Front

What is 3x + (5 + y) if x = 2 and y = 7?

Back

18

Front

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

Back

18

Front

p × p × p equals _____ (if p = 2)

Back

8

Front

y + 18 for y = 23

Back

41

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 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). (PEMDAS)

Front

If x = 5, what is the value of 4x + 3?

Back

23

Front

What is the value of 10 - 2(3 + 4)?

Back

0