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Angolan Sand Pictures
Figure This!
Angolan Sand Pictures: What's missing? What's next?
Capture-Recapture: How many fish are in the pond?
Animal Ages
Animal Ages: Do dogs age faster than people?
Bar Codes
Bar Codes: Can you decode a bar code? Capture-Recapture: How many fish are in the pond?
Capture-Recapture: How many fish are in the pond?
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Capture-Recapture: How many fish are in the pond?
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