Đề thi Toán học quốc tế SASMO 2016 Lớp 2

 SASMO 2016 PRIMARY 2 
TIME: 90 MINUTES 
Section A (Correct answer = 2 marks; no answer = 0; incorrect answer = minus 1 mark) 
1. The shapes below formed a pattern. Observe carefully and find out the two missing shapes. 
 ☼ → ☆ → ☽ → ? → ? → ☆ → ☽ → ✦  
 A) ☼ và ☽ B) ☆ và ☽ C) ✦ và ☼ 
 D) ✦ và ☆ E) ✦ và ☽ 
2. How many hours are there in two weeks? 
 A) 7 × 12 B) 7 × 2 × 12 C) 2 × 7 × 2 × 12 
 D) (7 + 7) × 12 E) None of the above 
3. David takes 30 seconds to climb from the first floor to the third floor. How many seconds 
 does he takes to climb from the third floor to the sixth floor? 
 A) 30 seconds B) 35 seconds C) 40 seconds D) 45 seconds E) 50 seconds 
4. What is the next number in the sequence below? 
 7, 8, 6, 9, 5, 10,  
 A) 4 B) 11 C) 14 
 D) 15 E) None of the above 
5. 
 What number does stands for? 
 A) 2 B) 4 C) 6 D) 8 E) 10 
6. Uncle John has a farm. His wife and his two sons are staying with him in the farm. They 
 raise 10 cows and 20 chickens. How many legs are there in total in the farm altogether? 
 A) 60 B) 80 C) 86 D) 88 E) 120 
 1 D) 15 E) None of the above 
13. The numbers 2, 3, 4 and 5 are filled in the figures on the below so that each line of the cross 
 adds to the same number. 
 What number should be placed in the place of the question mark? 
 6 1 ?
 A) 2 B) 3 C) 4 
 D) 5 E) None of the above 
14. 
 A) B) 
 3 
 After showing the cards, he flipped over some (maybe all) of the cards and rearrange them. 
 The new arrangement of the cards is shown below. 
 What number is on other side of the card with symbol ‘+’? 
19. A basket of mangoes weighs 80 grams when full and 60 grams when half full. What is the 
 weight of the basket when it is empty? 
20. Tom makes the rectangle below with 10 gumdrops and 10 toothpicks. 
 Afterwards, Tom makes another rectangle using 32 gumdrops. The long side of the new 
 rectangle has twice as many gumdrops as the short side. How many gumdrops are on the 
 short side of the new rectangle? 
21. The picture graph below shows the number of pencil cases that Bob, Macy, Jane and 
 Danny have. Each pencil case contains the same number of pencils. Altogether, they have 
 78 pencils. How many pencils does Danny have? 
 Bob Macy Jane Danny 
 5