Subtracting 1s and 10s (K-A)

S#	Lecture	Course	Institute	Discipline
1	Subtracting 1 vs. subtracting 10-video (K-A)	Subtracting 1s and 10s (K-A)	Khan Academy	Basic and Health Sciences
2	Subtracting 10s using place value-video (K-A)	Subtracting 1s and 10s (K-A)	Khan Academy	Basic and Health Sciences
3	Subtracting 1s using place value-video (K-A)	Subtracting 1s and 10s (K-A)	Khan Academy	Basic and Health Sciences

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