Toan ta lop 5 v10

Her father’s age will be 3 timesher age in 5 years’s time.. When a divided by b, it’s thequotient and the remainder are 9 and 10 respestively.. How long does it take him to finish one ga

Hệ thống phát triển Toán IQ Việt Nam Cô Trang – 0948.228.325 -*** TỔNG HỢP ĐỀ THI VIOLYMPIC TOÁN TA LỚP 5 VÒNG 10 Bài thi số 1: (Bức tranh bí ấn) Mã 1: 41 minutes 6 6 days 10 hours + 9 days 7 days 12 months seconds 7 hours 56 months 60 hours 9 hours 30 minutes : 2 4 hours 45 1 week minutes 9 days 4 hours 2 days 15 hours + 4 minutes 29 seconds + 2 6 minutes 46 350 minutes 3 days 85 hours minutes 17 seconds seconds 4 years 8 months 23 minutes 37 seconds 377 hours + 17 minutes 29 seconds 2 day and half day 3 hours 45 minutes + 2 1 year hours 5 minutes Mã 2: 5 hours 13 minutes – 12 hours 2 days 15 hours 84 months 5 hours 6 minutes 35 days 22 hours 53 192 minutes 51 minutes 29 seconds – minutes 34 minutes 17 5 minutes 7 0.5 day 17 minutes 12 seconds seconds seconds 12 hours 92 minutes + 7 minutes 348 seconds 3.2 hours 7 days x 5 5.8 minutes 7 years 9 hours 21 minutes 20 minutes 28 seconds:4 15 days 18 hours : 6 Mã 3: 42 months 2 hours 15 minutes + 16 hours 15 6 minutes 46 seconds 32 seconds 1 hour 10 minutes minutes 8 hours 55 minutes 12 years 3 months – 12 years 11 1 hour 21 minutes 15 seconds - 7 years 6 months months 20 minutes 43 seconds 350 3 hours 45 minutes + 4 years 9 4 minutes 29 seconds + minutes 2 minutes 17 seconds 3.5 years 2 hours 5 minutes months 5 hours 13 minutes + 3 years 21 months + 3 hours 25 3 hours 42 minutes Bài thi số 2: 7 years 14 months minutes 25 minutes + 35 5 hours 25 minutes minutes x 3 ĐẬP DẾ Câu 1: In 209.026, which digit is in the tenths place? Đăng ký học tập bồi dưỡng Toán lớp 5 ôn luyện thi Toán Violympic | Cô Trang – 0948.228.325 1 Hệ thống phát triển Toán IQ Việt Nam Cô Trang – 0948.228.325 -*** a/ 6 b/ 9 c/ 2 d/ 0 C/ 1004 D/ 4001 Câu 2: Convert: 1km 4m = …m A/ 1400 B/ 1040 Câu 3: Calculate: A/ B/ C/ D/ Câu 4: Which of following decimal numbers is equal to 27 15 ? a/ 1.75 b/ 2.75 c/ 1.8 d/ 1.7 Câu 5: Alison is 30 years younger than her father Her father’s age will be 3 times her age in 5 years’s time How old is Alison now? A/ 20 B/ 10 C/ 15 D/ 25 Câu 6: The perimeter of the rectangle below is 2052cm Its width is …dm A/ 200 B/ 20 C/ 15 D/ 150 Câu 7: Find the value of x d/ 0.8 a/ 0.6 b/ 0.5 c/ 0.4 Câu 8: Which of the following does NOT represent 14 ? A/ B - C/ D/ Câu 9: The sum of two numbers a and b is 160 When a divided by b, it’s the quotient and the remainder are 9 and 10 respestively Find the two numbers a and b A – a = 135and b = 25 B – a = 145 and b = 15 C – a = 100 and b = 60 D – a = 144 and b = 16 Câu 10: 309 digits have been used for numbering the page numbers of a book (the book starting at number 1) How many pages does the book have? Đăng ký học tập bồi dưỡng Toán lớp 5 ôn luyện thi Toán Violympic | Cô Trang – 0948.228.325 2 Hệ thống phát triển Toán IQ Việt Nam Cô Trang – 0948.228.325 -*** A/ 103 B/ 142 C/ 43 D/ 139 BÀI THI SỐ 3 - LEO DỐC Câu 1: It took Keny 51 minutes to finish 3 games How long does it take him to finish one game on average? Answer: ………minutes Câu 2: A man sold 204kg of rice, 75% of the amount of rice he sold is ordinary rice How many kilograms of ordinary rice did he sell? a/ 162kg b/ 139kg c/ 153kg d/ 135kg Câu 3: The sum of two numbers is 176 Their ratio is Find the smaller number? Answer: The smaller number is ………… Câu 4: Convert: 3dm 5cm = ………m (Write your answer as a decimal in the simplest form) Câu 5: Calculate: S = a/ b/ c/ d/ Câu 6: The sum of two numbers is 365 and there are 25 even numbers between them Find the greater number? a/ 182 b/ 208 c/ 159 d/ 206 Câu 7: In this sequence: 1, 2, 3, 5, 8, 13, … each number is the sum of the two previous numbers from the third number How many odd numbers are there in the first 100 numbers? A/67 B/66 C/50 D/ 33 Câu 8: The sum of the ages of Shaun and Tom is 30 The sum of the ages of Shaun and John is 27 The sum of the ages of John and Tom is 31 Who is the youngest among the three boys? A/Shaun B/John C/Tom D/Tom and John Câu 9: Find x if Answer: x = …………… a/ 6 b/ 5 c/ 4 d/ 3 Câu 10: Calculate: Đăng ký học tập bồi dưỡng Toán lớp 5 ôn luyện thi Toán Violympic | Cô Trang – 0948.228.325 3 Hệ thống phát triển Toán IQ Việt Nam Cô Trang – 0948.228.325 -*** 98.7 – 97.5 + 96.3 – 95.1 + 93.9 – 92.7 + 91.5 – 90.3 + 89.1 = … a/ 6 b/ 93.1 c/ 93.9 d/ 4.8 Câu 11: How many quadrilateral are there in there in the figure? A/ 4 B/ 6 C/ 5 D – 7 Câu 12: A farmer has 120 chickens and rabbits altogether The rabbits have 60 more legs than the chickens How many rabbits does the farmer have? a/ 45 b/ 5 c/ 50 d/ 70 Câu 13: Given a square ABCD has a side of 6cm and a square DEFG has a side of 3cm Find the area of triangle ACF? Answer: SACF = ……………cm2 Câu 14: Convert: 2dm 6cm = …………m (Write your answer as a decimal in the simplest form) Câu 15: The sum of seven consecutive natural numbers is 4725 The greatest number is ………… Câu 16: 16 hours 25 minutes : 5 = ………… minutes Câu 17: Find y such that y x 4.6 = 361.1 a/ 75.8 b/ 37.5 c/ 87.5 d/ 78.5 Câu 18: Convert: 5kg 4g = ……kg (Write your answer as a decimal in the simplest form) Điền 5.004 Đăng ký học tập bồi dưỡng Toán lớp 5 ôn luyện thi Toán Violympic | Cô Trang – 0948.228.325 4 Hệ thống phát triển Toán IQ Việt Nam Cô Trang – 0948.228.325 -*** Câu 19: Convert: 2893cm3 = …….…….dm3 (Write your answer as a decimal in the simplest form) Câu 20: In 235468, the value of the digit in the hundreds place is ………… Câu 21: of the balls is ……………balls Câu 22: The cost of 26 boxes of crayons and 17 boxes of pencils is $129 The cost of each box is the same How much is each box? Answer: ………… Câu 23: The average of numbers from 25 to 71 is … A/ 45 B/ 48 C/ 96 D/ 30 Câu 24: Write 0.04 as a fraction The result is … a/ b/ c/ d/ Câu 25: Convert: 4hg 7g = …… kg (Write your answer as a decimal in the simplest form) Câu 26: Write 39% as a fraction The result is … a/ b/ c/ d/ Câu 27: Write >; =;