This Math quiz is called 'Algebra - Trial and Improvement' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.
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Trial and Improvement involves intelligent guesswork. You use this method in algebra to work out the value of a letter when there is no obvious other way.
Have a bash at the following Math quiz to ease you into the process.
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We expect you got that one right!
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Make one guess at a time and go through all the processes again. Gradually you will narrow it down to the correct answer
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We know that Louise has SOME sisters so we know that 0 sisters is impossible. It is not likely that she has 10 sisters and even less likely that she has 20!
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100 degrees C is the boiling point of water and would make a good starting point
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Going to the midway point is usually a good idea - depending on the answer you will then know in which half the answer is
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Each time that you make a guess, record the guess. Then by a process of trial and error you will find the correct answer
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