ĐỀ THI OLYMPIC TIẾNG ANH LỚP NĂM HỌC 2013 VÒNG 20 - ĐỀ THI SỐ Chọn câu trả lời tốt cho câu hỏi Mrs Gilbert distributed a rock collection to each group in her class Each group had to sort its collection according to the Moh’s Scale of hardness Frank’s group sorted its rocks as follows: calcite, gypsum, quartz, and talc If Frank put the rocks in a closed paper bag and picked one, which rock type would he be most likely to pick from the bag? A calcite B gypsum C quartz D talc Julia is learning how to write different fractions as decimals Which of the following represents seven-tenths as a decimal? A 0.1 B 0.07 C 0.7 D Mia wants to give each of her 21 classmates 4/3 yards of red ribbon to make a bow How many yards of ribbon does Mia need to buy to make sure each classmate has enough? A 20 yards B 28 yards C 48 yards D 68 yards Jacqueline goes runs at sunrise and sunset every day She records the sunrise and sunset times for each month in the chart above Three of the months in her chart are shown above Which of the following statements about Jacqueline’s chart is true? A If it is January, then the sun is up at 6:00 AM B If it is September, then there are exactly 12 hours of daylight C If a soccer team can only play in daylight, then the team could still be out playing at 7:00 PM in May D If a store's lights turn on at sunset, then in May the store's lights would be on at 7:15 PM Donna read 43 books during her school’s year-long reading competition If Donna read one more book, the number of books she read this year would have been double the number of books she read last year How many books did Donna read last year? A 11 B 22 C 33 D 44 Mario can’t decide if he wants to eat at Applebee’s, Bennihana’s, Chili’s, or Denny’s for dinner He made the four spinners above with the first letter of each restaurant to help him decide Which two spinners have an equal chance of spinning a C? A I and II B I and III C II and III D III and IV Lillian has a cold She went to Dr Vega’s office to get some medicine The doctor prescribed mL of medicine twice a day for 10 days How many mL of medicine will Lillian have taken at the end of the 10 days? A liter B 40 ml C 20 ml D 12 ml Rasheed has 3,975 math textbooks to distribute to all of the fifth grade classrooms If there are 25 classrooms and each of them gets the same number of books, how many books will go to each room? A 119 B 129 C 149 D 159 Tanya has $2,986 in her bank account According to the bank policy, she must keep a minimum of $2,000 in the account at all times Tanya wants to buy a computer that costs $1,700 How much more money does she need to save in order to buy the computer without breaking the bank's policy? A $4,986 B $986 C $714 D $300 10 On the first Saturday in December, each of 12 members of a fifth grade class worked for 3.5 hours wrapping presents at the First Colony Mall Their teacher, Ms Monroe, worked for hours Which operations could be used in the boxes above to find the total number of hours they worked altogether? A x and + B + and + C x and x D + and - ... the end of the 10 days? A liter B 40 ml C 20 ml D 12 ml Rasheed has 3,9 75 math textbooks to distribute to all of the fifth grade classrooms If there are 25 classrooms and each of them gets the same... many books will go to each room? A 119 B 129 C 149 D 159 Tanya has $2, 986 in her bank account According to the bank policy, she must keep a minimum of $2, 000 in the account at all times Tanya wants... store's lights would be on at 7: 15 PM Donna read 43 books during her school’s year-long reading competition If Donna read one more book, the number of books she read this year would have been double