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Dear friends! If you enjoy our video, please do not hesitate to Comment, Like, Favorite, Subscribe and Share. 00:00 Background animation 00:20 Addition and Subtraction within 20 00:29 Counting 01:31 Addition 02:24 Subtraction 03:21 Addition with carry 04:31 Subtraction with borrow 05:44 Mixed arithmetic 06:56 Counting 11:04 Arithmetic Arena