It was an algebra class with a difference. Students were excited about working on sums and jumped up with answers. Even when they made mistakes, they were quite willing to try again.At the Science City camp for four Chennai Corporation schools on Wednesday, students enjoyed learning new concepts without the usual routine of textbooks and notes.The three-day programme will have sessions on Internet, yoga, soft skills and ecology.Resource persons have been chosen from premium research institutes and colleges. Students would also be given study tips and introduced to web-based research tools.Seema Tiku, scientific officer of Science City, said the children would be given activity books, merit certificates and prizes for various competitions. Interactive learning was the keyword here, she said.Students of Corporation Higher Secondary Schools in Tiruvanmiyur, Guindy, Adyar and Kamaraj Nagar and Corporation High School in Canal Bank, R.A. Puram participated. Ms. Tiku said six more science camps would be conducted for Corporations schools this year.