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Count and subtract the bags:
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1. How many bags are there? |
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Take out 1 bag.
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How many bags are left? |
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2. How many bags are there? |
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Take out 2 bags.
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How many bags are left? |
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3. How many bags are there? |
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Take out 3 bags.
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How many bags are left? |
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4. How many bags are there? |
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Take out 4 bags.
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How many bags are left? |
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