Add, remove, or move exactly 5 matchsticks to make a true equation. Do not change this problem into an inequality. Do not break or divide any matchsticks in any way. The movement of a matchstick will only be counted from its initial to final position, intermediate moves will not be considered; moving one matchstick back and forth does not count as 2 moves, it counts as 0 moves, for example. No number in your solution may be greater than 9 or be negative. a) state your equation b) state the 5 matchstick changes c) Describe what problem-solving techniques you employed to arrive at your answer. Be specific in describing your process, be sure to explain how the technique helped you arrive at your answer. Hint: words like abstraction, analogy, decomposition, lateral thinking, trial and error, etc are expected. A reasonable paragraph or 2 is sufficient.
Add, remove, or move exactly 5 matchsticks to make a true equation. Do not change this problem into an inequality. Do not break or divide any matchsticks in any way. The movement of a matchstick will only be counted from its initial to final position, intermediate moves will not be considered; moving one matchstick back and forth does not count as 2 moves, it counts as 0 moves, for example. No number in your solution may be greater than 9 or be negative.
a) state your equation
b) state the 5 matchstick changes
c) Describe what problem-solving techniques you employed to arrive at your answer. Be specific in describing your process, be sure to explain how the technique helped you arrive at your answer. Hint: words like abstraction, analogy, decomposition, lateral thinking, trial and error, etc are expected. A reasonable paragraph or 2 is sufficient.
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