Whole Number Place Value
Addition and Subtraction 20-100
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Learning Objectives and Overview (0:50)
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Math Happenings (3:01)
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Big Ideas (2:55)
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Adding & Subtracting Learning Trajectory (2:03)
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Learning to Add (6:12)
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Common Challenges with Learning to Add (4:00)
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Learning to Subtract (10:20)
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Common Challenges with Learning to Subtract (4:44)
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Games and Tools to Use at Home (3:56)
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Game: Gotcha! (1:52)
Addition and Subtraction Beyond 100
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Welcome! (0:19)
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Learning Objectives and Overview (0:35)
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Big Ideas (1:00)
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I'm Thinking of a Number (3:06)
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Student-Invented Strategies (2:27)
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Adding & Subtracting Beyond 100 Learning Trajectory (1:27)
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Problem Strings (0:59)
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Learning to Add Beyond 100 (4:40)
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Common Challenges with Learning to Add Beyond 100 (1:59)
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Learning to Subtract Beyond 100 (4:02)
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Common Challenges with Learning to Subtract Beyond 100 (1:36)
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Games and Tools to Use at Home (2:47)
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Game: Target! (5:17)
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Thank you! (0:47)
