Order of Operations/Numerical Expressions

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 in a mathematical expression. 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 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.6.EE.A.1

Front

Calculate: 2 × 3³ + 7

Back

61

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CCSS.7.EE.B.3

Front

What is the first step in solving the expression 15 - 9 ÷ 3?

Back

The first step is to perform the division: 9 ÷ 3 = 3.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Which expression represents 'Subtract 9 from 15 and divide by 3'?

Back

(15 - 9) ÷ 3

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Solve: (16 - 6) x (2 + 4)

Back

60

Tags

CCSS.7.NS.A.3

Front

How do you place parentheses to change the outcome of an expression?

Back

Placing parentheses changes the order of operations, affecting the result of the expression.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Place the parentheses to make the expression equal 20: 5 x 4 - 3 + 24 ÷ 6 + 2

Back

5 x 4 - 3 + 24 ÷ (6 + 2)

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Calculate: 16 ÷ 2 x 4 - 3

Back

29

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the result of 5 x 4 - 3 + 24 ÷ 6 + 2?

Back

The result is 20 when parentheses are placed correctly.

Tags

CCSS.7.NS.A.3