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Home » Basic and Health Sciences » Mathematics » Math by grade (K-A) » 1st grade (K-A) » Addition and subtraction (K-A) » Subtraction within 20 (K-A)

Subtraction within 20 (K-A)

S# Lecture Course Institute Instructor Discipline
1
Subtracting 14 – 6 (K-A)
Subtraction within 20 (K-A) Khan Academy Basic and Health Sciences