2. Number grids connecting addition and subtraction (Levels 3 and 4)
Connections Between Inverses
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4m 45s
Peter Sullivan introduces a versatile activity for students to enhance their understanding of addition and subtraction as inverse operations. He highlights that subtraction can be simplified through reverse addition. The activity focuses on developing fluency in addition, encouraging mental calculations without calculators. A puzzle approach is used to engage students, with a curriculum that specifies a number range to ensure accessibility and varying difficulty levels.
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