Professor Grumble's Dark Bag
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Grumble
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🐢 Slow
🔊
⚙️ Teacher
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C
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For the teacher: make your own problem
✕
Things in the bag
Pencils
Balls
Cubes
Question
At least N of one color
At least N of the same color
At least N of every color
Two different colors
N (how many)
Which color
Red
Blue
Green
Yellow
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