order of operations

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).

Tags

CCSS.7.NS.A.3

Front

What does the acronym PEMDAS stand for?

Back

PEMDAS stands for Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Tags

CCSS.7.NS.A.3

Front

Calculate: 3 + 5 x 2

Back

3 + 5 x 2 = 3 + 10 = 13 (Multiplication first).

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Calculate: (4 + 6) x 2

Back

(4 + 6) x 2 = 10 x 2 = 20 (Parentheses first).

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is a base in an exponent?

Back

In an exponent, the base is the number that is multiplied by itself. For example, in 2^3, 2 is the base.

Tags

CCSS.6.EE.A.1

Front

What is an exponent?

Back

An exponent indicates how many times the base is multiplied by itself. For example, in 2^3, the exponent is 3.

Tags

CCSS.6.EE.A.1

Front

True or False: Multiplication always comes before addition in the order of operations.

Back

True.

Tags

CCSS.3.OA.B.5

Front

Which operation is performed first in the expression: 5 + (3 x 2) - 1?

Back

The operation performed first is multiplication: 3 x 2 = 6.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Calculate: 10 - 2 + 4

Back

10 - 2 + 4 = 8 + 4 = 12 (Subtraction and addition are performed from left to right).

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the result of: 8 ÷ 2 + 3 x 4?

Back

8 ÷ 2 + 3 x 4 = 4 + 12 = 16 (Division and multiplication are performed before addition).

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2