Tai lieu phan 4

<span class='text_page_counter'>(1)</span>Answer: Lan can make ………… paper boats. Question 16: There are 35 balls and 21 kites in a toy box. How many more balls than kites are there in this toy box?. Answer: …………… Question 17: Write the odd number between 72 and 74. Answer: …………. Question 18: Find the smallest number in the following table:. Answer: The smallest number is ……………. Question 19: Linda has fifty cookies. Her sister has seven cookies more than Linda. How many cookies does her sister have? Answer: Linda’s sister has ………….cookies. Question 20: Write the following numbers in increasing order: 7; 91; 32; 64 (use “;” between the numbers) Answer: ………………… Question 21: Page 9 of 59.

<span class='text_page_counter'>(2)</span> Write the number: nine hundred and seven Answer: ……………………. Question 22: Write the number: forty eight Answer: ………………….. Question 23: Write the number: six hundred and twenty two Answer: ………………….. Question 24: What is the place value of digit 7 in 750? Answer: ………………….. Question 25: What is the place value of digit 0 in 120? Answer: ………………….. Question 26: What is the face value of digit 3 in 349? Answer: ………………….. Question 27: Find the number between 20 and 22? Answer: ………………….. Question 28: How many numbers are there between 11 and 21? Answer: …………………… Question 29: How many numbers less than 11? Answer: …………………… Question 30: Find the number right after 332? Answer: ……………….. Question 31: The length of a rectangle is 2 times of the width. The area is 32cm 2. Find the perimeter. Answer: ……………….. Question 32:. Page 10 of 59.

<span class='text_page_counter'>(3)</span> The perimeter of a rectangle is 72cm. If the width decreases by 6cm and the length is unchanged, the area decreases by 120cm2. Find the width. Answer: ………………. Question 33: A square is divided into 2 rectangles. The total perimeter of 2 rectangles is 6420cm. Find the perimeter of the square. Answer: ………………... Question 34: Choose the correct signs (>; < or =): 620 – 20 ……… 500 + 100 + 1 Question 35: Choose the correct signs (>; < or =): 40 + 200 ……….. 239 Question 36: Choose the correct signs (>; < or =): 1kg ………… 900g + 99g. Page 11 of 59.

<span class='text_page_counter'>(4)</span> VIOLYMPIC MATH 3 _ ROUND 2. 2.1. Exam number 1: Arrange the values in increasing order a. The smallest 1 – digit 105 + 105. 259 + 131. 100 + 109 + 101. number. 200 + 120. 150 + 50. 109 + 137. 170 + 60. The greatest 3 – digit 151 + 150. number. The smallest odd 2 – One hundred and one. digit number The greatest 2 – digit. 231 + 39. 300 + 30 + 3. 605 – 402. number. 200 + 120 + 2. 45 + 55. 100 + 10 + 1. 200 + 20 + 2. b. 24:6. 49:7. 7x4. 21. 36:6. 6x7. 6x4. 34. 7x5. 25. 54:6. 29. 5x6. 44. 31. 60:6. 36. 38. 4x10. 6x3. 2.2. Exam number 2: Find out the treasure Question 1: Which number is missing from the following sequence? 912. 908. a. 907. ……. 900 b. 902. 896 c. 904. d. 908. Question 2: Page 12 of 59.

<span class='text_page_counter'>(5)</span> Which of the following numbers is an even number? a. 283. b. 238. c. 177. d. 771. Question 3: Which number is missing from the following sequence? 327. 330. a. 332. ……… b. 335. 336. 339 c. 333. d. 331. Question 4: Mary and Mark made a total of 248 stars. Mary made 137 stars. How many stars did Mark make? Answer: Mark made …….. stars. Question 5: Put these numbers in order from greatest to least. 987. 789. 978. 798. a. 987; 978; 798; 789. b. 987; 789; 978; 798. c. 789; 798; 978; 987. d. 789; 987; 798; 978. Question 6: Which number makes the following statement true? 773 + 127 = ……... + 250 a. 450. b. 541. c. 551. d. 650. Question 7: Which number makes the following statement false? 457 + 324 > 278 + ……….. a. 502. b. 501. c. 500. d. 503. Page 13 of 59.

<span class='text_page_counter'>(6)</span> Question 8: Calculate: 100 + 230 + 320 = ……… Answer: ……….. Question 9: Grade 3 in the A school has 272 in which 150 students are boys. How many students are girls in grade 3? Answer: There are ……….. girls in grade 3. Question 10: Which of the following numbers is an odd number? a. 441. b. 144. c. 414. d. 444. Question 11: Which number is missing from the following sequence? 320. 322. ………326. a. 302. 328. b. 321. c. 324. d. 329. Question 12: Mary and Jane made a total of 405 kites. Mary made 201kites. How many kites did Jane make? Answer: Jane made …….. kites. Question 13: Compute: 201 + 302 – 111 = ………….. Answer: ………….. Question 14: Put these numbers in order from least to greatest.. Page 14 of 59.

<span class='text_page_counter'>(7)</span> 778. 787. 668. 686. a. 778; 787; 686; 668. b. 668; 686; 778; 787. c. 787; 778; 668; 686. d. 686; 668; 778; 787. Question 15: Which number makes the following statement true? 496 – 322 = ………. +100 a. 73. b. 174. c. 74. d. 173. Question 16: Which number makes the following statement false? 233 + 367 < 300 + ……….. a. 302. b. 299. c. 301. d. 303. Question 17: Lisa has 49 stars. She gives Linda nine stars and gives Jack four stars. How many stars does Lisa have now? Answer: Lisa has ………..stars now. Question 18: Grade 3 in the A school has 383 in which 140 students are girls. How many students are boys in grade 3? Answer: There are ……….. boys in grade 3. Question 19: Which of the following numbers is an even numbers? 103. 107. 118. 181. 109. Answer: …………... Page 15 of 59.

<span class='text_page_counter'>(8)</span> Question 20: Find the number right before 543? Answer: …………… Question 21: Find the number greater than 34 and less than 36 Answer: …………….. Question 22: What number is it? Two hundreds, four tens, nine ones Answer: ……………… Question 23: What number is it? 3 tens Answer: ……………… Question 24: Find x such that x:2:3 = 3 Answer: ………………. Question 25: How many 3-digit numbers can be made from 1; 2; 8 such that all digits of the number are different? Answer: ……………… Question 26: 40dm 3cm = ……..cm Question 27: 4m …4cm = …….cm Question 28 : Calculate 9kg + 27g = …………. Question 29: Calculate 12g + 400g = …………… Question 30: A box of milk weighs 485g and the container weighs 79g. What is the weight of the milk in the box? Answer: ……………… Question 31: A string is 36cm long and cut into 6 equal pieces. How long is each piece? Page 16 of 59.

<span class='text_page_counter'>(9)</span> Answer: ………………. Question 32: How many months in a year have 31 days? Answer: ……………. Question 33: How many months in a year have 30 days? Answer: ……………. Question 34: How many minutes in a day? Answer: ……………... Question 35: How many days in a week? Answer: ……………… Question 36: If 01/December/2015 is Tuesday. What is the date of the last Tuesday in this month? Answer: ……………… Question 37: Which year has 29-day February? 2000; 2001; 2002; 2003 Answer: ……………… Question 38: A triangle has 3 equal sides and each side is equal 1dm6cm. What is the perimeter? Answer: …………….. Question 39: The perimeter of a rectangle is 44cm. The length increases by 2cm and the width decreases by 2cm. What is the new perimeter? Answer: …………….. Question 40: The perimeter of a rectangle is 46cm. If the length decreases by 2cm and the width increases by 2cm, it becomes a square. Find the length. Answer: ………………. Question 41: The perimeter of a rectangle is 72cm and the perimeter is 8 times of the width. Find the area. Answer: ……………….. Page 17 of 59.

<span class='text_page_counter'>(10)</span> 2.3. Exam number 3: Find pairs of the same value a. Six hundred and. 650. 416. fourteen One hundred and two. Five hundred and fifty five. Four hundred and. Six hundred and fifty. 313. 143. 614. 102. Four hundred and. Seven hundred and. 745. Two hundred and. four. forty five. 404. 222. sixteen Three hundred and thirteen. twenty two 555. One hundred and forty three. b. 222. 212. Seven hundred and. 555. fifty four Five hundred and. Five hundred and. 330. 102. fifty five. ninety. 650. 754. One hundred and. Two hundred and. thirty four. twelve. 590. 416. One hundred and two. Three hundred and. Four hundred and. 134. Six hundred and fifty. thirty. sixteen. 4x8. 5x9. 25+50. 27+49. 66+19. 76. 148+50. 85. 18+14. 60-15. 150+36. 175+23. 519+406. 493+432. 117+81. 549+341. 437+453. 372+136. 97+89. 75. Two hundred and twenty two. c.. Page 18 of 59.

<span class='text_page_counter'>(11)</span> VIOLYMPIC MATH 3 _ ROUND 3. 3.1. Exam number 1: Arrange the values in increasing order a. 3 x 10 + 2 x 9. 700 + 90 + 1. The greatest 3-digit number in which 2 is the. The numbers of even numbers less than 20.. tens digit. 3 hundreds + 25 tens. 768 – 314. The number that comes right before 122. 2. 900 + 30. Find x such that x : 4 + 5. Find y such that. The number that comes right before 122. b.. 9=yx3 768 – 314. The greatest 3-digit number in which 2 is the tens digit. The place value of 2 in 234. 18 tens + 5 ones. 2. 900 + 30. 16 : 2. Find y such that 19 < y x 4 < 21. 3.2. Exam number 2: Fill in the blank with suitable answer Question 1: Fill in the blank with the suitable sign >; < or = Page 19 of 59.

<span class='text_page_counter'>(12)</span> 5 × 8 + 95 ……… 700 – 548 Question 2: Grade 3 has 352 students and 28 students less than grade 2. How many students are there in the grade 2? Answer: There are …………. students in the grade 2. Question 3: If each student has 5 pencils, then three students have ………….pencils.. Answer: ………………. Question 4: The number just after 659 is …………. Question 5: A polyline ABCD’s length is 543cm. The total length of AB and BC is 227cm. The length of CD is …………cm.. Answer: …………… Question 6: Find the sum of the greatest and the smallest of these numbers.. Answer: The sum is …………. Page 20 of 59.

<span class='text_page_counter'>(13)</span> Question 7: Find the missing number in the box:. Answer: ………….. Question 8: In a book-shelf, there were 275 books in the upper case and 170 books in the lower case at first. 70 books are taken in each case. How many books are there now? Answer: There are …………. books. Question 9: How many squares are there in this figure?. Answer: There are …………… squares. Question 10: Find A + B + C such that. Answer: A + B + C = ……………… Question 11: The perimeter of this triangle is ………….. cm. Page 21 of 59.

<span class='text_page_counter'>(14)</span> Question 12: How long is it from ten to eight to half past eight? Answer: …………… minutes. Question 13: In the number 795, the digit ………… is in the ones place. Question 14: Find x such that 5 ͓x 9 + 13 < 5x, x is a digit. Answer: x = ………….. Question 15: How many 2 - digit numbers such that product of its digits is 4? Answer: There are …………. numbers. Question 16: Fill in the blank with the suitable sign >; < or = 6 × 8 - 15 ……… 300 – 201 Question 17: There are 127 chairs in classroom A. There are 45 chairs less than in classroom B. How many chairs are there in total? Answer: There are …………. chairs in total. Question 18: Each book-shelf has 32 books. How many books are there in 4 book-shelves?. Answer: There are …………. books. Question 19: The number just before 399 is ………….. Page 22 of 59.

<span class='text_page_counter'>(15)</span> Question 20: How many rectangles are there in this picture?. Answer: There are ………….. rectangles. Question 21: Find the sum of the greatest and the smallest of these numbers.. 31. 45. 27. 119. 39. 49. Answer: The sum is …………. Question 22: Find the missing number : 24 + 46 = ……….× 10 Answer: ………….. Question 23: There are 60 minutes in an hour. How many seconds are there in 9 hours? Answer: There are …………. minutes. Question 24: How long is it from half past two to half past four? Answer: ……………hours. Question 25: Find x such that x:5+6 = 11 Answer: ……………….. Page 23 of 59.

<span class='text_page_counter'>(16)</span> 3.3. Exam number 3: Choose the correct answer Question 1: 223 + …….. = 388 The correct number to fill in the blank is: a. 163. b. 165. c. 166. d. 164. c. 791. d. 789. c. 814. d. 841. Question 2: The number between 788 and 790 is a.700. b. 787. Question 3: Choose the greatest number a.481. b. 148. Question 4: James has 9 boxes of ball. There are 4 balls in each box. How many balls does James have? a.36. b.40. c.44. d.32. Question 5: How many distinct 3 – digit numbers that can be formed by using 3 digits 3,4,5 are there? a.6. b.4. c.8. d.3. c. 2. d. 3. Question 6:. How many figures are painted. a.1. b. 0. Question 7: Find a number such that after dividing by 4, the sum of the quotient and 20 is 24. a.20. b.16. c.24. d.4. Question 8: Which of the following number is smallest? Page 24 of 59.

<span class='text_page_counter'>(17)</span> a. 435. b. 534. c. 547. d. 457. Question 9: 24 cookies are shared equally to 4 children. How many cookies does each child have? a.8. b.6. c.4. d.7. b.7. c.6. d.9. b.7. c.6. d.8. Question 10: How many triangles are there in this figure?. a.8 Question 11: Given that:. a.9 Question 12:. In Ms Nga’s book-store, th book-shelf has 7 cases. There were 5 books in each case. Afer selling 7 books, she arranged the books equally in 4 cases. How many books are there in each case now? a. 8 books. b. 5 books. c. 7 books. d. 4 books. Question 13: Write consecutive numbers from 1 to 15 to form one number, then this number has……..digits. Page 25 of 59.

<span class='text_page_counter'>(18)</span> a. 21. b. 30. c. 23. d.15. c.2. d.1. Question 14: In 892, which digit is in the tens place? a.9. b.8. Question 15: Lan writes a 3-digit number. The greatest 2-digit number is 59 units less than this number. What number does Lan write? a.159. b.99. c.40. d.158. Question 16: 10 students are standing in a row. They start calling out 1,2,3… from the left and Mickey calls out 4. If the calling starts from the right instead, what number will Mickey call out? a.6. b.8. c.7. d.5. Question 17: The calculation 1 + 3 + 2 x 6 = 22 is incorrect and you can be made correct by increasing one of the numbers in it by 1. Which number should it be? a.6. b.1. c.2. d.3. c. 512. d. 361. c. 291. d. 290. c. 814. d. 841. Question 18: 454 + …….. = 975 The correct number to fill in the blank is: a. 163. b. 521. Question 19: The number between 287 and 289 is a.288. b. 287. Question 20: Choose the smallest number a.481. b. 148. Page 26 of 59.

<span class='text_page_counter'>(19)</span> Question 21: Tim has 20 boxes of pens. There are 6 pens in each box. How many pens does Tim have? a.136. b.140. c.144. d.120. Question 22: How many distinct 3 – digit numbers that can be formed by using 3 digits 7, 8, 9 are there? a.6. b.4. c.8. d.3. Question 23: Find a number such that after dividing by 6, the sum of the quotient and 10 is 16. a.26. b.16. c.36. d.24. c.908. d.809. Question 24: Find out the greatest number a.405. b.504. Question 25: 45 apples are shared equally to 5 students. How many apples does each student have? a.5. b.6. c.4. d.9. Question 26: Grade1 has 365 students and grade 2 has 23 students less than grade 1. How many students are there in grade 2? Answer: ……………… Question 27: An aerobic group has 195 people. 120 of them are boys. How many girls are there in the group? Answer: ……………… Question 28: Viet has 65 marbles. Viet gives Nam 12 marbles then Viet gives Hung 15 marbles. How many marbles does Viet have left? Answer: ………………. Page 27 of 59.

<span class='text_page_counter'>(20)</span> Question 29: A store sold 294kg of rice in the morning; in the afternoon it sold 325kg of rice. How many kilograms of rice did the store sell? Answer: ………………. Question 30: Tuan has 4 friends and each of Tuan’s friend collects 9 flowers. How many flowers do all friends of Tuan collect? Answer: ……………….. Question 31: There are 24 hours in a day. How many hours are there in 3 days? Answer: ……………….. Question 32: A chicken’s weight is 2kg and a dog’s weight is 10kg. The dog’s weight is …….times of the chicken’s. Answer: ………………... Question 33: 102cm = …….m …….cm Question 34: The perimeter of a rectangle is equal to that of a square with 6cm side. Find the perimeter of the rectangle. Answer: ……………….. Page 28 of 59.

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