Tài liệu Đề thi olympic toán tiếng anh lớp 4 vòng 4

Vong 4 Exam number 1: Đi tìm kho báu Question 1: 2 minutes 30 seconds = ......... seconds Question 2: Calculate: 3512 + 4231 = ......... Question 3: The value of 6132 + 1584 is ........ Question 4: Subtract: 7000 - 4325 = ........... Question 5: Find x such that x - 582 = 964 Answer: x = ......... Exam number 2: Chọn các cặp giá trị bằng nhau Answer: (1) = ......; (2) = ......; (3) = .....; (4) = ....; (5) = .....; (6) = ......; (10) = ......; (11) = .......; (13) = .......; (17) = ..... Nhập số thứ tự của các giá trị vào chỗ chấm để được các cặp giá trị bằng nhau Exam number 3: Vượt chướng ngại vật Question 1: If m = 16 and p = 75 then m + p = ......... Question 2: Write >; =; <: 3676 + 2015 ....... 2015 + 3676 Question 3: If a = 6 and b = 12 then 15 + a x b = ......... Question 4: There are 786 boy students and 572 girl students in a school. How many students are there in the school? Answer: There are ......... students. Question 5: Think of a number that when you add 130 to it the answer will be 500. This number is ........... Vong 3\ Bài 1: Fill in the blank with the suitable number Question 1: How many hours are there in 4 days? Answer: There are ............. hours. Question 2: Calculate: 672g – 276g = ........... g. Question 3: How many years are in 3 century? Answer: There are ............ years. Question 4: There are ................ days in May. Question 5: Emily write down how many kilometers she walked each day. How many kilometers did she walk on Sunday? Answer: ............ kilometers. Question 6: 765 + … = 459 + 541 The missing number is .......... Question 7: Write forty-six thousand and ffty using digits. Answer: ................ Bài 2: Cóc vàng tài ba: Choose the most suitable answer in 4 available answers.     Question 1: 1/4 century = ........... years. The missing number is .............. A. 20 B. 30 C. 25 D. 15 Question 2: What time does the clock shown?     A. 6: 20 B. 4: 06 C. 4: 30 D. 6: 25 Question 3:     Find x such that x + 215 = 432 Answer: x = .......... A. 657 B. 647 C. 217 D. 227 Question 4:     5kg = ........... g. The missing number is ............... A. 5000 B. 50 C. 50000 D. 500 Question 5:   A. 75 B. 79   C. 77 D. 76 Question 6:     5250g + 1750g = ............kg The missing number is .............. A. 7 B. 100 C. 70 D. 10 Question 7:     If m = 7 then 2000 x 3 + 2000 x m = .......... A. 9000 B. 20000 C. 2000 D. 20000 Question 8:     The average of 75 and M is 82. The value of M is ............ A. 89 B. 86 C. 85 D. 79 Question 9:     Today is September 2nd, four days ago is ............ A. August 28th B. August 30th C. August 29th D. August 27th Question 10: A. 6 B. 3 D. 5 C. 4     Vong 5 Exam number 1: Fill in the blank with the suitable number. Question 1: Calculate: 91625−27356 = ............ Question 2: Find the sum of following numbers: 31247 23564 Answer: ................. 18192 Question 3: The sum of two numbers is 47 and their diference is 15. The smaller number is ............... Question 4: Fill missing number in the blank 54723 + .......... = 27849 + 54723 Question 5: Find the value of m - n + p for m = 9253; n = 3149 and p = 2674 Answer: m - n + p = .............. Question 6: Find the value of 2356 + a - b for a = 1482, b = 3105 Answer: ............. Question 7: Find the value of m + n - p for m = 9253, n = 3149 and p = 2674 Answer: m + n - p = ........... Question 8: Find y such that y - 12358 = 18031 Answer: y = ............. Question 9: Find the value of b such that Answer: b = .............. Question 10: The perimeter of a rectangle is 58cm and its width is 13cm less than its length. Its width is .......... cm. Exam number 2: Cóc vàng tài ba Question 1: Choose the straight angle:    a. b. c.  Question 2:     Which is the product of 30 and 8? a. 220 b. 240 c. 210 d. 230 Question 3:     The greatest even 2-digit number is ........... a. 97 b. 96 c. 98 d. 99 Question 4:     When 47 is divided by 3, the remainder is ............ a. 2 b. 0 c. 3 d. 1 Question 5:     Choose the correct number fll in the blank: 2; 4; 12; 48; ...... a. 84 b. 144 c. 240 d. 96 Question 6:   If the perimeter of a square is 2800m then each of its side is ......... m. a. 70 b. 600   c. 60 d. 700 Question 7:     The sum of two numbers is 76 and their diference is 22. The smaller number is ............ a. 27 b. 53 c. 50 d. 49 Question 8:     When N is divided by 12, the remainder is 9. When N is divided by 6, the remainder is ....... a. 2 b. 0 c. 4 d. 3 Question 9:     How many hours make up 2 weeks? a. 186 b. 336 c. 363 d. 168 Question 10:     How many hours make up 14400 seconds? a. 240 b. 4 c. 2 d. 120 Exam number 3: Sắp xếp theo thứ tự tăng dần Answer: (12) < ..... < ...... < ...... < ........ Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được dãy số tăng dần Vong6 Exam number 1: Choose 2 consecutive cells which have the same or equal value. Answer: (1) = .........; (2) = ..........; (3) = ...........; (4) = ...........; (6) = ..........; (7) = ..........; (10) = ...........; (11) = ..........; (12) = ..........; (13) = ............ Điền số thứ tự của các ô vào chỗ chấm cho thích hợp để được các cặp giá trị bằng nhau. Exam number 2: Question 1: Convert 40kg = ...........g. Question 2: Convert: 9050000g = .............. kg. Question 3: Multiply 95 x 100 = ............... Question 4: Multiply: 27635 x 6 = ............. Question 5: If x : 100 = 7200 then x = ................ Question 6: Calculate: 7 x 3109 + 3 x 3109 = .............. Question 7: Sophia has three $100 notes. She also has six $10 notes and ten $2 notes. How much money does she have in total? Answer: She has $............ Question 8: One pack of pencils has 11 pencils. Two other packs have 15 pencils each. The total number of pencils in these three packs is .............. pencils. Question 9: Find the value of x such that x : 7 = 3152 Answer: x = ................ Question 10: The sum of two numbers is 372 and their diference is 102. The smaller number is ................... Exam number 3:     Question 1: Multiply: 147 x 20 = ............ a. 1470 b. 147 c. 294 d. 2940 Question 2:     Which of following is true? a. 30dm2 = 3000cm2 b. 5m2 = 50dm2 c. 40m2 = 4000cm2 d. 20dm2 = 2000cm2 Question 3:     Which of following is the greatest? a. 50cm2 b. 401cm2 c. 4dm2 10cm2 d. 4dm2 Question 4:     If z : (20 - 1) = 38 then z = .................. a. 272 b. 277 c. 727 d. 722 Question 5:     Peter earns $15214 per month and Jane earns $14786 per month. How much do they earn per 10 months together? a. $300 b. $300000 c. $30000 d. $3000 Vong 7 Exam number 1: Fill in the blank with the suitable number. Question 1: Mary has 30 packs of candies. There are 11 candies in each pack. Mary has .......... candies in all. Question 2: Calculate: 2015 + 99 x 2015 = ........... Question 3: Convert: 3m2 = ..............cm2 Question 4: 42 x 11 = ........... Question 5: 300m2 + 400m2 = .............. dm2 Question 6: The sum of two numbers is 156 and their diference is 12. What is the smaller number? Answer: ............... Question 7: The value of M = (125 x 4 + 500 : 2) x 100 is ............ Question 8: The clock shows the last time Anna saw before she sleeps. She wakes up at 6:15am. How long did she sleep? Answer: She slept ............. minutes. Question 9: If the number 386a is divisible by 6 then a = ............ Question 10: Arrange the digits in the number 371059 to form a new number with the greatest value. Answer: .............. Exam number 2:     Question 1: Calculate: 205 x 3 + 205 x 7 = .............. a. 2050 b. 2005 c. 20050 d. 20500 Question 2:     The average of 57 and M is 43. The value of M is .................. a. 14 b. 29 c. 71 d. 35 Question 3:     Which of following number is divisible by 9? a. 63636 b. 9991 c. 54720 d. 36363 Question 4:     13000cm2 = ............ dm2. The correct number fll in the blank is ............. a. 1300 b. 130000 c. 13 d. 130 Question 5:     John forgot the number of people at volleyball game. He remembers that the number had a digit 5 in the tens place. Which of following number could John be thinking of? a. 5312 b. 1253 c. 1325 d. 1523 Question 6:    Orange Hill is 578 feet high. Banana Hill is 235 feet high. How many feet higher is Orange Hill more than Banana Hill? a. 344 feet b. 434 feet c. 813 feet d. 343 feet  Question 7:     If the cost of 5kg of cofee is $160 then the cost of 8kg of cofee is ............ a. $248 b. $264 c. $256 d. $250 Question 8:     Write the following as a numeral: nine hundred thousand a. 90000 b. 990000 c. 9900 d. 900000 Question 9:     John has 15 candies and Tom has 31 candies. How many candies does Tom need to give to John so that each boy will have the same number of candies? a. 4 b. 16 c. 8 d. 10 Question 10: Choose the best answer to fll the "??" mark. a. a b. b c. c d. d     Vong 8 Exam number 1: Fill in the blank with the suitable number (Note: write decimal number with "the comma" between number part and fraction part. Ex: 0,5) Question 1: A pillow costs 20 dollars. Sophia has to pay ......... dollar for 12 such pillows. Question 2: How many hours are in 1/4 of two days? Answer: .......... hours. Question 3: What could you add to 35 to make 60? Answer: This number is ............... Question 4: A girl can play 66 notes every minute on average. She can play ........ notes in 20 minutes. Question 5: 15 boxes of chocolate candies have 420 candies in the total. How many candies are there in each box? Answer: .......... candies. Question 6: Angela is learning to play the violin. She practices 50 minutes a day on Tuesday and Thursday. On Saturday she practices for one and a half hours. How much times per week Angela spend practicing violin? Answer: .......... minutes. Question 7: There are ........... six - digit numbers. Question 8: The sum of these numbers: is ............. Question 9: The last digit of the product: 1 x 3 x 5 x ....... x 999 is ........... Question 10: The pages of a book are numbered consecutively from 1 through 120. There are ............ digits are there in this numbering. Exam number 2: Choose 2 consecutive cells which have the same or equal value. (Tìm cặp bằng nhau) Answer: (1) = ......; (2) = ........; (3) = .....; (4) = .......; (5) = ........; (6) = .......; (7) = ......; (8) = ......; (9) = ......; (12) = ...... Nhập số thứ tự các ô vào chỗ chấm để được các cặp giá trị bằng nhau. Exam number 3: Your car has to pass 5 obstacles to fnish. (Vượt chướng ngại vật)     Question 1: What number should replace the question mark ? 67 + ? = 230 a. 153 b. 133 c. 163 d. 143 Question 2:    What would result is the greatest number? a. 1450 + 7245 b. They are the same c. 7245 + 1450 d. 7250 + 1445  Question 3:     John played a total of 30 soccer games during the months of June, July and August. He played 9 games in June and 10 in July. Which month did he play the most games? a. May b. June c. August d. July Question 4: What fraction of the fence is orange? Answer: ..................... Write the fraction in the simplest form. Question 5: A football team has $140 to buy balls. Once ball costs $8. What is the largest number of balls the team can buy? Answer: .............. balls. Vongb 9 Exam number 1: Fill in the blank with the suitable number Question 1: Mary reads four books every month. She is busy and reads only one book on March. On September, she takes a break and does not read any books. What is the number of books that Anna reads in one year? Answer: She reads ......... books.