character: Addition Guru
topic: Using Number Lines for Multi-Digit Addition
grade: 4
subject: Mathematics
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character: Math Wizard
topic: Understanding Number Lines for Addition
grade: 4
subject: Mathematics
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character: Number Ninja
topic: Introduction to Multi-Digit Addition Strategies
grade: 4
subject: Mathematics
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character: Calculation Captain
topic: Mastering Addition with Number Lines
grade: 4
subject: Mathematics
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