Evaluating Expressions and Exponents Flashcard

Front

Evaluate: (7 + 3) * 4 - 5 * 3

Back

25

Front

Evaluate: 71 - 3 ∙ 6 + 12

Back

65

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 performing the operations in the correct order.

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). This is often remembered by the acronym PEMDAS.

Front

What is an exponent?

Back

An exponent is a number that shows how many times a base is multiplied by itself.

Front

Evaluate: 2^3

Back

8

Front

Evaluate: 5 + 2 * 3

Back

11

Front

What is the value of 10 - 2 * 4?

Back

2

Front

What is the result of (3 + 5) * 2?

Back

16