character: Addition Ace
topic: Fun with Double-Digit Sums
grade: 2
subject: Mathematics
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character: Math Magician
topic: Easy Addition Strategies
grade: 2
subject: Mathematics
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character: Number Ninja
topic: Mastering Place Value
grade: 2
subject: Mathematics
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character: Sum Sloth
topic: Fun with Adding Tens and Units
grade: 2
subject: Mathematics
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