Tổng hợp Đề thi và Đáp án, Hướng dẫn giải Kỳ thi ITMC Khối 2 các năm

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 TỔNG HỢP
 ĐỀ THI VÀ ĐÁP ÁN, HƯỚNG DẪN GIẢI
 KỲ THI ITMC
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 22
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 ToanCodeMathVN @CodeMathVN 0346 475 489 Tổng hợp đề thi và đáp án, hướng dẫn giải kỳ thi ITMC khối 2 
 MỤC LỤC 
ĐỀ SỐ 01: ..............................................................................................................8 
ĐỀ SỐ 02 .............................................................................................................. 15 
ĐỀ SỐ 03 .............................................................................................................. 18 
ĐỀ SỐ 04 .............................................................................................................. 23 
ĐÁP ÁN ĐỀ SỐ 01 .............................................................................................. 28 
 3 Tổng hợp đề thi và đáp án, hướng dẫn giải kỳ thi ITMC khối 2 
 Multiplication Phép nhân 
 How to calculate average? Cách tính số trung bình 
 Middle Ở chính giữa 
 Even Chẵn 
 Odd Lẻ 
 Last Cuối cùng 
 How to use average to calculate the Sử dụng trung bình để tính tổng như thế 
 sum? nào? 
 What is average? Trung bình là gì? 
 Sequence Dãy 
 Consecutive numbers Các số liên tiếp 
 First Đầu tiên 
 Why do we need average? Tại sao chúng ta phải tính trung bình? 
 Define Định nghĩa 
 Symbol Kí hiệu 
 Operation Phép toán 
 Units digit Chữ số hàng đơn vị 
 Tens digit Chữ số hàng chục 
 Divisibility Chia hết cho 
 Product Tích 
 Digit Chữ số 
 Last digit Chữ số tận cùng 
 Horizontal line Đường nằm ngang 
 Vertical line Đường thẳng đứng 
 Rectangle Hình chữ nhật 
 Square Hình vuông 
 How many rectangles? Có bao nhiêu hình chữ nhật? 
 5 Tổng hợp đề thi và đáp án, hướng dẫn giải kỳ thi ITMC khối 2 
 Without repetition Không được phép lặp lại 
 Front face Mặt trước 
 Bottom face Mặt dưới 
 Right side face Mặt bên phải 
 Left side face Mặt bên trái 
 Top face Mặt trên 
 Back face Mặt sau 
 Face Mặt 
 How many ways are there? Có bao nhiêu cách đi 
 Go up Đi lên 
 Step Bậc 
 Inverse Ngược từ 
 Backwards from the end Suy ngược từ cuối 
 Back-to-end inference Suy ngược từ cuối 
 Originally Ban đầu 
 Constant Hằng số 
 Geometric sequence Dãy cấp số nhân 
 Plus Cộng 
 Minus Trừ 
 Quotient Thương 
 Minimum Nhỏ nhất 
 Smallest Nhỏ nhất 
 Maximum Lớn nhất 
 Greatest Lớn nhất 
 Area Diện tích 
 Positive integer Số nguyên dương 
 Perimeter Chu vi 
 7 Tổng hợp đề thi và đáp án, hướng dẫn giải kỳ thi ITMC khối 2 
Q6. Which one of the followings is true for the adjoining figure? 
 A. equal sides 
 B. ellipse. 
 C. symmetry of shape 
 D. 7 sides 
 E. hexagon 
 Q7. Suppose that the 5th August is Sunday. In the same year, what date is the first 
Sunday of September? 
 A. 1st B. 2nd C. 3rd D. 4th E. 6th 
Q8. Tom said “my class will finish in 30 minutes later”. If Tom finished his class at 
15:30, at what time would Tom say? 
 A. 15:05 B. 15:00 C. 14:35 D. 14:30 E. 14:25 
Q9. Chusri has 670 dollars that are a 500 dollars bank note, a 100 dollars bank note, 
a 50 dollars bank note, and a 20 dollars bank note. Chusri buys a carton of milk of 
price 13 dollars by a bank note. Which one of the followings is not the possible 
change Chusri should get back? 
 A. 487 dollars B. 87 dollars C. 37 dollars D. 17 dollars E. 7 dollars 
Q10. Students in a grade 2 class choose one of their favorite fruits from 4 kinds of 
fruits namely orange, banana, apple, and mango as shown in the following table. 
Let represent 3 students. 
If there are 36 students in the grade 2 class, how many students choose mango? 
 A. 3 B. 6 C. 9 D. 12 E. 15 
 9 Tổng hợp đề thi và đáp án, hướng dẫn giải kỳ thi ITMC khối 2 
 Q16. In the given figure, how many quadrilaterals are 
 in the circle? 
 A. 3 B. 4 C. 5 
 D. 6 E. 7 
Q17. Given that a bucket of rice weighs 15 kilograms and 1 sack weighs 100 
kilograms. How many more kilograms of 2 sacks than 4 buckets? 
 A. 120 kilograms B. 130 kilograms C. 140 kilograms 
 D. 220 kilograms E. 240 kilograms 
Q18. A pizza of radius 8 inches is divided into 3 equal pieces. 
 A. 48 B. 44 C. 40 D. 32 E. 20 
Q19. Students start to take a test at 10.45 A.M.. If they are given 1 hour 30 minutes 
to finish the test, at what time should students finish the test? 
 A. 10.45 B. 11.15 C. 11.45 D. 11.55 E. 12.15 
Q20. How many numbers are there from 10 to 99 having digit 2? 
 A. 20 B. 18 C. 17 D. 16 E. 19 
Q21. If the sum of 5 consecutive numbers is 55, what is the greatest number among 
the 5 numbers? 
 A. 10 B. 11 C. 12 D. 13 E. 14 
The following information is needed to answer question 22 to 24. 
At the 2018 FIFA world cup tournaments, the 32 teams were drawn into 8 
groups A, B, C, D, E, F, G, and H of 4 teams. In the first round any two teams 
play together only one match. Each match the winner gets 3 points, no point 
for the loser. If a match ended in a tie, each team gets 1 point. After the first 
round ended, the first two teams with highest points in each groups will enter 
to the second round. 
 11 Tổng hợp đề thi và đáp án, hướng dẫn giải kỳ thi ITMC khối 2 
Q26. What is the value of 2 × 18 + 25 – 61? 
Q27. Let TMC represent a 3 digit positive number where different letters represent 
different digits. If × T = 2560, what is the value of + T? 
Q28. Jane took 3 hours to walk in a street on the way back home yesterday. How 
many minutes did Jane walk in the street? 
Q29. A game of putting marbles in a row of 10 small squares, there are two players. 
The rule of the game are the following: 
 (i) The players alternate turns. 
 (ii) Each player, when it is their turn, put at least one marbles but not exceed 
 5 marbles into the squares. The players must put marbles started from the most 
 left square continuously. 
 The last player who put marble (s) is the loser. 
For example : 
A and B are players and player A begins the game. 
 Turn 1 : Player A puts 2 marbles. 
 Turn 2 : Player B puts 3 marbles. 
 Turn 3 : Player A puts 2 marbles. 
 Turn 4 : Player B puts 2 marbles. 
 Turn 5 : Only one square is left. Player must put 
 a marble. The loser is player A. 
A winning strategy for this game is that player who puts marbles at first is always 
the winner. 
If there is a row of 20 squares in the game, how many marbles should the player in 
Turn 1 put in squares in order to guarantee a win? 
 13 Tổng hợp đề thi và đáp án, hướng dẫn giải kỳ thi ITMC khối 2 
 ĐỀ SỐ 02 
1. Find the perimeter of a rectangle which has the width of 3 cm and the length is 2 
times as many as than the width. 
 A. 12 cm B. 6 cm C. 9 cm D. 18 cm E. 24 cm 
2. There are 12 books on a shelf and five children in a room. How many books will 
be left on the shelf if each child takes one book? 
 A. 12 B. 7 C. 4 D. 2 E. 0 
3. In the picture, each shape stands for a different number. Which number should be 
written in place of the question mark? 
 A. 10 B. 12 C. 14 D. 16 E. 18 
4. George has 2 cats of the same weight. What is the weight of one cat if George 
weighs 28 kilograms and the weight of him and two cats is 36 kg? 
 A. 1 kg B. 2 kg C. 4 kg D. 3 kg E. 5 kg 
5. There are 3 children in a family. Kitty is 2 cm taller than Betty, Dannie is 3 cm 
shorter than Kitty. Who is the tallest and who is the shortest? 
A. Annie is the tallest and Dannie is the shortest 
B. Betty is the tallest and Dannie is the shortest 
C. Kitty is the tallest and Dannie is the shortest 
D. Kitty is the shortest and Dannie is the tallest 
E. Kitty is the shortest and Annie is the tallest 
6. A goose weighs 10 kilograms. The goose is 6 kilograms heavier than a duck. The 
chicken is 2 kilogram lighter than a duck. How many kilograms does the goose weigh 
more than the chicken? 
 A. 6 B. 7 C. 8 D. 9 E. 10 
7. What is the sum of the smallest and the biggest 2-digit number? 
 A. 89 B. 10 C. 90 D. 99 E. 109 
8. It takes half an hour for Jenny to go half of the way from school to home. How 
long does it take Jenny to go to school from home? 
 A. 15 mins B. Half an hour C. 1 hour D. 2 hours E. 40 mins 
 15