Negative numbers introduction | Negative numbers and absolute value | Pre-Algebra | Khan Academy Negative numbers introduction | Negative numbers and absolute value | Pre-Algebra | Khan Academy begin-post-stats Khan Academy • 1M views end-post-stats begin-duration 9:36 end-duration Math topics: _Elementary_arithmetic_##Elementary arithmetic##_Negative_number_##Negative number##_Sign_(mathematics)_##Sign (mathematics)##_Subtraction_##Subtraction Other topics: _Temperature_##Temperature##_Temperature_##Temperature##_Fahrenheit_##Fahrenheit##_Celsius_##Celsius video-id: Hlal9ME2Aig channel_Khan_Academy_ So What Learning Elementary arithmetic , Temperature Friday, January 19, 2018 Share Share
