Đề thi Violympic Toán Tiếng Anh lớp 4 vòng 9 năm 2015-2016

ĐỀ THI VIOLYMPIC TOÁN TIẾNG ANH LỚP 4 VÒNG 9 NĂM<br /> 2015 - 2016<br /> Exam number 1: Fill in the blank with the suitable number<br /> Question 1:<br /> The expression<br /> <br /> is equal to ..............<br /> <br /> Question 2:<br /> What number should be placed in the box to make?<br /> Answer: ...........<br /> Question 3:<br /> What is the remainder when 65870 is divided by 8?<br /> Answer: ..............<br /> Question 4:<br /> Mya has 10000 dollars in bills of 40 dollars.How many 40 dollars- bills does she have?<br /> Answer: ............... 40 dollars- bills.<br /> Question 5:<br /> A large box of candies and a small box of candies together cost 13 dollars. If the large<br /> box costs 5 dollars more than the small box, what is the price of the small box of<br /> candies?<br /> Answer: ............. dollars.<br /> Question 6:<br /> Six students had an orange eating contest. The graph shows the number of oranges eaten<br /> by each student. Mary ate the fewest oranges and Jack ate the greatest. How many more<br /> oranges did Jack eat than Mary?<br /> Answer: ............. oranges.<br /> <br /> Question 7:<br /> The numbers from 1 to 1000 are written. How many of these numbers have at least two<br /> digits 5?<br /> Answer: .............. numbers.<br /> Question 8:<br /> Five students do an exam with a maximum score of 50. The scores of four of the students<br /> are 41, 44, 46 and 49. The average of five students’ scores is the same as the score of the<br /> fifth student. The score of the fifth student is .............<br /> Question 9:<br /> Five years ago, Sarah was 7 years old. Two years later, she will be ............. years old.<br /> Question 10:<br /> A fraction is equal to . The sum of its denominator and its numerator is 91. What is the<br /> difference between the denominator and numerator of this fraction?<br /> Answer: ..............<br /> Exam number 2: Đi tìm kho báu<br /> Question 1:<br /> Nick has 3/5 of a dollar and Emma has 3/10 of a dollar. Together they have ………….<br /> <br /> <br /> a. $6/10<br /> <br /> <br /> <br /> b. $8/10<br /> <br /> <br /> <br /> c. $9/10<br /> <br /> <br /> <br /> d. $15/10<br /> Question 2:<br /> The value of 1/12 : 1/8 = ………….<br /> (Write your answer by fraction in the simplest form)<br /> Question 3:<br /> <br /> The symbol<br /> <br /> is evaluated as 4 x 7 – 3 x 6 = 10.<br /> <br /> If<br /> is evaluated as 29 then the number that should be replaced in the question<br /> mark is ……………<br /> Question 4:<br /> The are of a rectangular garden is 36m2. Its has a length of 9m. Its perimeter, in metres, is<br /> ……………..<br /> Question 5:<br /> Last year, Bob’s age is divided by 7. This year, his age is divisible by 5. In how many<br /> years will Bob be 27 years old?<br /> Answer: ……….. years.<br /> Exam number 3: Cóc vàng tài ba<br /> Question 1:<br /> The value of 40 + 60000 + 500 + 30 is ………….<br /> <br /> <br /> a. 65070<br /> <br /> <br /> <br /> b. 65430<br /> <br /> <br /> <br /> c. 60570<br /> <br /> <br /> <br /> d. 60543<br /> Question 2:<br /> The average of the numbers 21, 23, 25 and 27 is ……………….<br /> <br /> <br /> <br /> a. 22<br /> <br /> <br /> <br /> b. 23<br /> <br /> <br /> <br /> c. 24<br /> <br /> <br /> <br /> d. 26<br /> Question 3:<br /> The perimeter of a rectangular is 3 times its length. If the perimeter is 120cm, the area of<br /> the rectangle is …………<br /> <br /> <br /> <br /> a. 3200cm<br /> <br /> <br /> <br /> b. 800cm<br /> <br /> <br /> <br /> c. 800cm2<br /> <br /> <br /> <br /> d. 3200cm2<br /> Question 4:<br /> Which number should be replace the blank:<br /> <br /> <br /> <br /> a. 32<br /> <br /> <br /> <br /> b. 96<br /> <br /> <br /> <br /> c. 48<br /> <br /> <br /> <br /> d. 24<br /> Question 5:<br /> Sophia plants ten trees every three minutes. If she continues planting at the same rate,<br /> how long will it take she to plant 250 trees?<br /> <br /> <br /> <br /> a. 5/4 h<br /> <br /> <br /> <br /> b. 25h<br /> <br /> <br /> <br /> c. 3/4 h<br /> <br /> <br /> <br /> d. 75h<br /> Question 6:<br /> Anna scored 325 points during the badminton season. If her average point was 13 per<br /> game, how many games did she play?<br /> <br /> <br /> <br /> a. 25<br /> <br /> <br /> <br /> b. 13<br /> <br /> <br /> <br /> c. 26<br /> <br /> <br /> <br /> d. 14<br /> Question 7:<br /> If a machine produces 90 items in one minute, how many items would it produce in 20<br /> second?<br /> <br /> <br /> <br /> a. 180<br /> <br /> <br /> <br /> b. 20<br /> <br /> <br /> <br /> c. 30<br /> <br /> <br /> <br /> d. 60<br /> Question 8:<br /> The digits 1, 2, 3, 4, 5 and 6 are each placed in one of the boxes so that the resulting<br /> product is correct. If each of the six digits is used exactly once, the digit represented<br /> by’?” is ………….<br /> <br /> <br /> <br /> a. 6<br /> <br /> <br /> <br /> b. 2<br /> <br /> <br /> <br /> c. 3<br /> <br /> <br /> <br /> d. 4<br /> Question 9:<br /> The average of five different natural numbers is 4. If the different between the largest and<br /> smallest of these numbers is as large as possible, what is the average of the other three<br /> numbers?<br /> <br /> <br /> <br /> a. 5<br /> <br /> <br /> <br /> b. 2<br /> <br /> <br /> <br /> c. 3<br /> <br /> <br /> <br /> d. 6<br /> <br />