Đề thi olympic tiếng anh lớp 5 năm học 2012 vòng 12 đề thi số 4

ĐỀ THI OLYMPIC TIẾNG ANH LỚP NĂM HỌC 2012 VÒNG 12 - ĐỀ THI SỐ Chọn câu trả lời tốt cho câu hỏi The grid above shows the locations of two scientists studying poisonous plants in a dangerous rain forest At which of the following coordinates is Joe located? A B C D (3,-4) (4,-3) (-3,4) (-4,3) At noon, Hallie and Joe decided to meet at (2,-3) to explore the forest together for the remainder of the day How many units on the grid would Hallie have to travel to get to the meeting point? A B C D The drum set that will be on stage during the Hannah Montana concert will be placed in the rectangular section shown above What is the area of the rectangular section? A B C D 13 yd2 36 yd2 yd2 27 yd2 Frank and Stein are playing a mental math quiz game Whoever finds the value of z in the equation above first wins the game What is the value of z? A B C D 30 37 Mrs Mesa made the function table above using a certain equation She asked her students to figure out the equation for homework Which of the following is the correct equation? A B C D y=x/2 y = 2x y=x-4 y=x+4 Lisa condensed a longer expression using the shorter expression above What is the long form of Lisa’s short expression? A B C D 5×5×5 3×3×3×3×3 5+5+5 3+3+3+3+3 Mariel’s brother hid her calculator the morning of Mariel’s math test He said he will return her calculator if she can write out the prime factorization of 45 Which of the following factorizations will help Mariel get her calculator back? A × B × C × D × Julie’s math teacher drew out the number line above and assigned letters to some of the points Which letter on the number line best represents -6? A B C D P Q R S The first number in the equation above represents the total rating a restaurant got on a scale from to 20 The second number represents the total rating another restaurant got on the same scale What is the product of the two ratings? A B C D 29.31 29.51 30.31 30.51 10 Maurice Skyped with two of his best friends in London this weekend He spoke to Sherry for 1/4 of an hour He spoke to Gabriel for 1/3 of an hour How much time did Maurice spend on Skype? A B C D /6 of an hour /7 of an hour /12 of an hour /12 of an hour ... y=x/2 y = 2x y=x -4 y=x +4 Lisa condensed a longer expression using the shorter expression above What is the long form of Lisa’s short expression? A B C D 5 5 5 3×3×3×3×3 5+ 5 +5 3+3+3+3+3 Mariel’s... product of the two ratings? A B C D 29.31 29 .51 30.31 30 .51 10 Maurice Skyped with two of his best friends in London this weekend He spoke to Sherry for 1 /4 of an hour He spoke to Gabriel for 1/3... math test He said he will return her calculator if she can write out the prime factorization of 45 Which of the following factorizations will help Mariel get her calculator back? A × B × C × D