Sunday, November 1, 2009

LCD Riddle

You just solved the following riddle:

"We are two simplified fractions. Our LCD is 12. Our denominators are consecutive integers. The numerator and denominator of one of us has a difference of 3. The other fraction is greater than 50%. Who are we?"

Now it's your turn to make the riddle. Begin yours with "We are two simplified fractions. Our LCD is..." Then continue to give clues that will lead the reader to discover your two simplified fractions.

Be creative with your clues! Good luck!

22 comments:

  1. We are two simplified fractions. Our LCD is 187. Each fraction is less than 50%. The difference between the denominators is the numerator of the larger fraction. The numerators are consecutive numbers. Who are we?

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  3. We are two simplified fractions. Our LCD is 24. Our denominators are not consecutive integers. The numerator and denominator of one of us has a difference of 1.The numerator and denominator of the other one has a difference of 19. The LCD of our numerators is 15. One of us is greater than 50%. The other one of us is less than 50%. Who are we?

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  5. We are two simplified fractions. Our LCD is 26, and the difference of the denominators is 11. One of them is an odd number. One of the fractions is able to be converted into a terminating decimal, and the numerator of the other fraction is 6 greater than the other numerator.

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  6. Lt. Park and Sgt. Ha went on a mission...There were two cealed bottles of chemical liquid and we don't know which is which...

    Mission: Skeleton Chemical
    One chemical liquid is toxic and one we need it but we don't know which is which so we contact the HQ...

    "This is team eagle-6. We got the bottles but we need help.The two bottles' chemical is in simplified fractions. The LCD of the liquid's amount is 297. The two denominator's difference is 16. Both of the fractions are less than half. One numerator is the half of another. The time is running out. Contact us quickly."
    " Roger that. Meet us in extraction point 4"
    "I Copy that."
    And now, its time to solve..... "We don't have much time Sergant!!"...

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  7. We are two simplified fractions. Our LCD is 10. The two denominators have a difference of 3. The other one's numerator is 3 less than its denominator. Who are we?

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  9. We are two simplified fractions. Our LCD is 9. Both of us are less than 50%. The numerator and denominator of one of us has a difference of 2. The difference of our numerators is also 3.Who are we?

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  10. We are two simplified fractions. Our LCD is 77. All numbers are odd. The Denominators are named after a supermarket. One numerator is over 50%, and the other is less. When the numerator and the denominator is multiplied, the product is over 24 but less than 41. Who are we?

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  11. We are two simplified fractions. Our LCD is 33. Each fraction is less than 75%. One of the fraction's denominator and numerator is a consecutive number. They are also proper fractions. Denominators are prime numbers. numerators are prime numbers too. Numerators are not composite numbers. If you add the numerators before you make a denominators same using LCD, you get 5. Who are we?

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  12. We are two simplified fractions. Our LCD is 35. Our demoniators are not consecutive, but ar less than the LCD. One of the numarators had a difference of one from the demoninators. One of the two numanators is 6 and the other is 50 percent of that. What are we?

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  13. We are two simplified fractions. Our LCD is 36. For the first fraction, the numerator is 75% less than its denominator. For the other fraction, the denominator is 4.5 times bigger than its numerator. As a result, the denominator for the first fraction is 2 times bigger than the numerator for the second. What fraction are we?

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  14. We are 2 simplified fractions. Our LCD is 6. Our denominators are consecutive integers. One of the denominators is a factor of 4. The difference between one denominator and the other is 1. The other fraction's numerator is more than 50%. Who are we?

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  15. We are simplified fractions.Our LCD is 34. Our denominator are not consecutive. The numerator and denominator of one of us has a difference of 1. The numerator and denominator of the other one has a difference of 11. The product of our numerator is 6. Both of the fraction, the numerator is less than or half of the denominator. Who are we?

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  16. We are two simplified fractions. We have the LCD of 14 and we have both one of us is exactly half but one of us is not. the subtraction of our numeraters are 2. what numbers are we?

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  17. We are two simplified fractions. Our LCD is 42. The denominators are consecutive integers. One fraction's numerator is 1 less than the denominator. The other fraction's numerator is a prime number greater than 50% of the fraction. The numerators are the same. Who are we???

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  18. We are two simplified fractions. Our LCD is 4. The sum of the numerators is 4. The product of the numerators is 3. The sum of the denominators is 6. The product of the denominators is 8. Who are we??

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  19. Both fractions are simplified. The LCD is 12. Our denominators are even numbers. They are also less than 12. The sum of the numerators is 4. Both numerators are odd. What are the fractions??

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  20. We are simplified fractions. Our LCD is 56. Denominators for both of them are consecutive integers and numerators are also consecutive integers. One of us has a difference of 1, and numerator is less than denominators. And the other one has a difference of 3.Each fraction is greater than 50%. Who are we?

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  21. Lt. Park and Sgt. Ha went on a mission...There were two cealed bottles of chemical liquid and we don't know which is which...

    Mission: Skeleton Chemical
    One chemical liquid is toxic and one we need it but we don't know which is which so we contact the HQ...

    "This is team eagle-6. We got the bottles but we need help.The two bottles' chemical is in simplified fractions. The LCD of the liquid's amount is 297. The two denominator's difference is 16. Both of the fractions are less than half. One numerator is the half of another. The denominators and numerators all together is 44. The time is running out. Contact us quickly."
    " Roger that. Meet us in extraction point 4"
    "I Copy that."
    And now, its time to solve..... "We don't have much time Sergant!!"...

    ReplyDelete
  22. I think editors of this textbook put all of this material together in one chapter because they all share characteristics. We have to use LCD to simplify fractions. GCF and LCM are both finding common factors or multiples between two numbers. There were no useless things in this chapter. Also, they are mostly using similar terms. Everything was finding a common between two numbers and find the answer. I also think that other lessons could be added to this chapter because we almost always use GCF, LCM and etc.

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