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# Order of Operations PowerPoint PPT Presentation

Order of Operations. PEMDAS DON’T STRESS. Numerical Expression : A mathematical phrase that includes numerals and operational symbols. It does not have an equal sign . Brackets: [[[[A pair of symbols used to group things together.]]]]

Order of Operations

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## Order of Operations

PEMDAS

DON’T STRESS

Numerical Expression: A mathematical phrase that includes numerals and operational symbols. It does not have an equal sign.

Brackets: [[[[A pair of symbols used to group things together.]]]]

Braces:The outer most grouping symbol used in mathematics.

Parentheses: The symbols “(“ and “)” that are generally used for grouping.

Operation: A mathematical process applied to solve a problem. Addition, subtraction, multiplication, and division are the four basic operations.

• 5 ( 3 )

• hint: numbers outside of parentheses should be multiplied by the inside value.

• 4 (7 – 2 )

• hint: complete operations inside of parentheses first.

11 ( 2 + 2 x 5 )

• hint: inside the parentheses, follow the order of operations; multiply before you add.

• 20 ÷ 5 – 1 x 3

• hint: when you have multiplication and division, work left to right.

• 10 ( 2 + 4 ) ( 14 ÷ 7 )

• hint: remember to complete parentheses first and move left to right.

• 97 – [ 20 x (15 ÷ 5 )]

2 x { 7 x 4 – [ (6 + 2) x 3 ] }