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Puzzle 1
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 3
My BrainBashers electronic world atlas has developed another fault, I did a listing of miles from England to particular countries and here is the result:
Chile 800 miles
Wales 4,200 miles
France 1,100 miles
Italy 3,400 miles
How far away did it list Scotland as?
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Puzzle 4
What well-known saying has been altered below:
lla doog shingt eomc ot ehost ohw taiw