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Addition and subtraction within 20 (K-A)

S#	Lecture	Course	Institute	Discipline
1	Adding 8 + 7 (K-A)	Addition and subtraction within 20 (K-A)	Khan Academy	Basic and Health Sciences
2	Subtracting 14 – 6 (K-A)	Addition and subtraction within 20 (K-A)	Khan Academy	Basic and Health Sciences
3	Subtracting different ways (K-A)	Addition and subtraction within 20 (K-A)	Khan Academy	Basic and Health Sciences

Sialkot Chamber of Commerce & Industry P.O. Box 1870, Shahrah-e-Aiwan-e-Sanat-o-Tijarat, Sialkot City 51310 – Pakistan