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ĐỀ THI OLYMPIC TIẾNG ANH LỚP NĂM HỌC 2013 VÒNG - ĐỀ THI SỐ Chọn câu trả lời tốt cho câu hỏi Chelsea made the spinner above to play a game with her friends All of the sections on the spinner are the same size If Chelsea spins the arrow once, what is the probability that it will land on Red? A 2/4 B 2/6 C 1/4 D 1/6 Mr Billings owns a boat rental service in Galveston He drew the line graph to show how many boats were rented over a three-hour period on Father’s Day About how many boats were rented at 10 a.m.? A B 16 C 21 D 26 Yolanda and her mother sell homemade candles at their gift shop The table above shows how many of each kind of candle they sold for Mother’s Day Which of the following charts best represents the same information? A B C D In Sheila’s class, there are students with red hair, students with blond hair, and students with brown hair Which of the following questions about hair color could you solve using probability? A How many students are in Sheila’s class altogether? B If the teacher picks student at random, what color hair will that student most likely have? C How many more students have brown hair than red hair? D If the teacher buys pencils for each student, how many pencils will she buy? The numbers above represent the number of points Cassie’s basketball team scored in each of their games this season Which of the following stem-and-leaf plots shows the same information? A B C D Susan takes a different route to school every morning The table above shows how many blocks she had to walk to get to school using different routes on each day What is the mean (average) number of blocks she walked each day? A 15 B 17 C 18 D 21 Joseph compared the price of one gallon of regular gasoline at five different locations on Saturday He recorded his findings in the graph above About how much did one gallon of gasoline cost at location #5? A $1.82 B $1.75 C $1.53 D $1.08 In Joanne’s art class, everyone is making a special plate for the big school banquet The table above shows the different choices of shape, design, and color that each student can use Which of the following tree diagrams shows all the different combinations of shape, design, and color? A B C D Matt made a number machine that changes the input number to a different output number based on a certain pattern The picture above shows what happened when different numbers were put into the same number machine What could be the rule used by Matt’s number machine? A Multiply by 3, then subtract B Multiply by 2, then add C Add D Subtract 10 Chase plotted point Z on the number line above to represent his grandfather’s age How old is Chase’s grandfather? A 89 B 90 C 92 D 93 [...]... into the same number machine What could be the rule used by Matt’s number machine? A Multiply by 3, then subtract 5 B Multiply by 2, then add 1 C Add 9 D Subtract 4 10 Chase plotted point Z on the number line above to represent his grandfather’s age How old is Chase’s grandfather? A 89 B 90 C 92 D 93 ... in the graph above About how much did one gallon of gasoline cost at location #5? A $1 . 82 B $1. 75 C $1 .53 D $1. 08 In Joanne’s art class, everyone is making a special plate for the big school... different routes on each day What is the mean (average) number of blocks she walked each day? A 15 B 17 C 18 D 21 Joseph compared the price of one gallon of regular gasoline at five different locations... subtract B Multiply by 2, then add C Add D Subtract 10 Chase plotted point Z on the number line above to represent his grandfather’s age How old is Chase’s grandfather? A 89 B 90 C 92 D 93