1. Fact families connecting addition and subtraction (Levels 1 - 4)
Connections Between Inverses
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5m 19s
Peter Sullivan introduces a curriculum activity that highlights the relationship between addition and subtraction as inverse operations. He explains that the order of numbers can influence addition, especially with larger numbers. The concept of fact families is presented, showing how understanding one fact aids in grasping others. Activities are suggested to practice fact families, emphasizing flexibility and repeated engagement to enhance fluency in both operations.
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