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Published byPoppy Davis Modified over 8 years ago
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Intro to Math… Lesson 1
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4 Fundamental Operations Of Math Example: adding + subtracting - multiplying x dividing ÷
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Addition: *only has one sign *sign always given Example: 5 + 6 11 + 18
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Subtraction: *only has one sign *sign always given Example: 17 – 8 112 - 19
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Multiplication: *has many different signs Example: x 5 x 6 ( ) 7(2) ( )( ) (5)(10) 9 11 # [letter] 5b, 4a
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Division: *has many different signs Example: ÷ 36 ÷ 6 / 28/7 __ 10 5
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Carrying in addition Example: 126 + 15
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Borrowing in subtraction Example: 126 - 57
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The order to do math Example: ( ) x⁵x⁵ x/÷ +/-
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