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character: Number Ninja
topic: Using Rounding to Check Subtraction
grade: 3
subject: Mathematics
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character: Math Detective
topic: Checking Subtraction with Estimation
grade: 3
subject: Mathematics
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YourStory AI
character: Math Explorer
topic: Strategies for Estimating in Mathematics
grade: 3
subject: Mathematics
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YourStory AI
character: Math Wizard
topic: Estimating Differences in Subtraction
grade: 3
subject: Mathematics
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