**Flashcard Review for 3-3**

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 helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Calculate: 16 ÷ 2 x 4 - 3

Back

29

Front

What is the result of 5 x (6 - 3)?

Back

15

Front

How do you subtract decimals?

Back

Line up the decimal points and subtract as you would with whole numbers. For example, to calculate 7.9 - 3.47, align the numbers: 7.90 - 3.47 = 4.43.

Front

What is an ordered pair in a coordinate system?

Back

An ordered pair is a pair of numbers used to locate a point on a coordinate plane, written as (x, y). For example, (-1, 2) means x = -1 and y = 2.

Front

What does the exponent in a multiplication expression indicate?

Back

Front

Back

Front

What is the difference between multiplication and addition?

Back

Multiplication is repeated addition. For example, 4 x 3 means adding 4 three times: 4 + 4 + 4 = 12.

Front

Back

6

Front

What is the formula for finding the area of a rectangle?

Back

Area = length x width.