Building Fact Families with Addition and Subtraction

The video introduces the concept of number families and fact families, explaining how three numbers can form two addition and two subtraction sentences. It demonstrates using a house diagram to visualize these relationships. The video includes examples and a game to reinforce understanding, showing how to solve problems by identifying missing numbers in a fact family. The lesson concludes with a recap of the key concepts and encourages students to apply their knowledge in a game.

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