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Arrange 24 toothpicks as shown below. Each challenge asks to you reduce the number of squares in the arrangement by taking away different numbers of toothpicks. See if you can solve each challenge, and then come up with a challenge of your own. Make a record of your solutions on the back of this sheet. |
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Challenge #1: Reduce the number of squares to two by removing eight toothpicks.
Challenge #2: Reduce the number of squares to five by removing four toothpicks.
Challenge #3: Reduce the number of squares to five by removing eight toothpicks.
Challenge #4: Reduce the number of squares to nine by removing four toothpicks.
Challenge #5: Create you own challenge and make a record of it.