ACC Unit 4 Pop Flashcard (Lessons1-9)

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. The acronym PEMDAS is often used: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Evaluate the expression: 10 + 45 ÷ 9 - (14 ÷ 2)

Back

8

Front

What is the square of a number?

Back

The square of a number is the result of multiplying that number by itself. For example, the square of 4 is 4 x 4 = 16.

Front

Evaluate the expression: 8² + (7 - 4)²

Back

73

Front

True or False: 2 + (4 x 5 - 2) + 8 = 28

Back

True

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations indicated.

Front

Evaluate the expression: (1/2)² • (3 • 5 - 3) + 1³

Back

4

Front

What is the result of 24 ÷ 4 x 2?

Back

12

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a numerator (top number) over a denominator (bottom number). For example, 1/2 represents one part of two equal parts.

Front

What is the difference between multiplication and division?

Back

Multiplication is the process of adding a number to itself a certain number of times, while division is the process of splitting a number into equal parts.