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A+ Interactive Math
by A+ Tutorsoft Inc.

Course Contents

Course Name: Elementary Subtraction - Online
  • Elementary Subtraction
  •  1.1 Introduction to Subtraction
  •  1.2 Subtraction Using Objects
  •  1.3 Identity Property of Subtraction
  •  1.4 Subtraction in Relation to Addition
  •  1.5 Subtraction Using a Subtraction Table
  •  1.6 Subtraction Using Regrouping
  •  1.7 Find 10 Less
  •  1.8 True or False
  •  1.9 Find the Missing Number
  •  1.10 Subtraction with Borrowing Numbers
  •  1.11 Subtracting a 1-digit Number from a 2-digit Number
  •  1.12 Subtracting a 2-digit Number from a 2-digit Number
  •  1.13 Subtracting a 1-digit Number from a 3-digit Number
  •  1.14 Subtracting a 2-digit Number from a 3-digit Number
  •  1.15 Subtracting a 3-digit Number from a 3-digit Number