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Puzzle 201
Can you make this equation correct by moving exactly one matchstick?

Note: this puzzle is not interactive, and the matchsticks cannot be moved. The matchstick layouts for each digit are:
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Puzzle 202
What number comes next in this sequence:
1 · 3 · 5 · 7 · 11 · ?
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Puzzle 203
Which is larger:
square inches in a piece of carpet 15 yards by 5 yards
feet in a 20-mile walk
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Puzzle 204
What number comes next in this sequence:
914275 · 94275 · 9475 · 975 · ?