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grade:
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subject:
Mathematics
topic:
Strategies for Quick Addition and Subtraction
character:
Fact Finder
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grade:
3
subject:
Mathematics
topic:
Mental Math Tricks for Addition and Subtraction
character:
Math Magician
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grade:
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subject:
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topic:
Efficient Calculation Techniques for Grade 3
character:
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grade:
3
subject:
Mathematics
topic:
Quick Addition and Subtraction Methods
character:
Sum Master
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