Lesson 1 - Relating Subtraction to Addition
Inverse Operations - Answer the questions about fact families.
Relating Addition to Subtraction - Find what number should replace the question mark.
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Nelson EducationSchoolMathematics 3 West | |||
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Lesson 1 - Relating Subtraction to Addition
Inverse Operations - Answer the questions about fact families. Relating Addition to Subtraction - Find what number should replace the question mark.
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