ĐỀ THI OLYMPIC TIẾNG ANH LỚP NĂM HỌC 2013 VÒNG 23 - ĐỀ THI SỐ Chọn câu trả lời tốt cho câu hỏi Ricky wants to make a new play pen for his horses based on the model above In the model, WXYZ is a parallelogram If the area of triangle WXY is 22 square inches, what is the area of WXYZ? A 11 square inches C 33 square inches B 22 square inches D 44 square inches Hallie and Joe are botanists studying some plants in the Amazon Rainforest Their locations are shown above Which ordered pair best represents Joe’s location? A (3, -4) B (-3, 4) C (4, -3) D (-4, 3) The students in Mr Prime’s classroom are having a prime factorization speed challenge Julie and Julia have to write out the prime factorization of 45 The fastest student wins a point for their team What is the prime factorization of 45? A B C D Mrs Straight drew the number line above on the chalkboard She asked Robert to come to the board and circle the letter that best represents the location of -6 Which letter should Robert circle? A P B Q C R D S Maurice’s brother and sister went to London to study for one year He calls them every week to stay in touch Yesterday, Maurice talked to Sherry for 1/4 of an hour and to Gabriel for 1/3 of an hour How long was Maurice on the phone with his siblings? A 1/6 hour B 2/7 hour C 5/12 hour D 7/12 hour Felipe copied down the equation above from the board onto his notebook His homework is to solve this equation What is the value of z in this equation? A B C 30 D 37 Joey used a certain equation to make the function table above Which of the following could be Joey’s equation? A B C D Tanya just bought a new fish tank for her pet fish The dimensions of the tank are shown above What is its volume? A 25 cu in B 42 cu in C 112 cu in D 336 cu in Garden Elementary School has 250 students enrolled 40% of the students received perfect attendance rewards last semester How many students came to school every day last semester? A 50 B 100 C 150 D 200 10 Erry bought five cases of oil to stock up in his garage He wants to know how many cans he bought altogether Which other piece of information is needed to figure out the number of cans? A B C D where the oil was purchased how many cans of oil were in each case how many cans of oil were needed how many trips were made to the store ... 1/6 hour B 2/ 7 hour C 5/ 12 hour D 7/ 12 hour Felipe copied down the equation above from the board onto his notebook His homework is to solve this equation What is the value of z in this equation?... dimensions of the tank are shown above What is its volume? A 25 cu in B 42 cu in C 1 12 cu in D 336 cu in Garden Elementary School has 25 0 students enrolled 40% of the students received perfect attendance... attendance rewards last semester How many students came to school every day last semester? A 50 B 100 C 150 D 20 0 10 Erry bought five cases of oil to stock up in his garage He wants to know how many