Intro to Math… Lesson 1. 4 Fundamental Operations Of Math Example: adding + subtracting - multiplying x dividing ÷

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Presentation transcript:

Intro to Math… Lesson 1

4 Fundamental Operations Of Math Example: adding + subtracting - multiplying x dividing ÷

Addition: *only has one sign *sign always given Example:

Subtraction: *only has one sign *sign always given Example: 17 –

Multiplication: *has many different signs Example: x  5 x 6 ( )  7(2) ( )( )  (5)(10)  9 11 # [letter]  5b, 4a

Division: *has many different signs Example: ÷  36 ÷ 6 /  28/7 __  10 5

Carrying in addition Example:

Borrowing in subtraction Example:

The order to do math Example: ( ) x⁵x⁵ x/÷ +/-