Đề thi Toán học quốc tế SASMO 2015 Lớp 2

 SASMO 2015 PRIMARY 2 [10 MCQ + 10 NON-MCQ = 20 Q] 
Starting Score = 10 marks (to avoid negative marks); Max Possible Score = 70 marks 
Section A (Correct answer = 2 marks; no answer = 0; incorrect answer = minus 1 mark) 
1. How many months of the year have 28 days? 
a) 1 
b) 2 
c) 5 
d) 6 
e) 12 
2. For the number sentence below, what is the answer? 
15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 + 15 = 
 a) 210 
 b) 215 
 c) 220 
 d) 225 
 e) None of the above 
3. The sum of two numbers is 300. One number is 5 times of the other number. What is the 
difference between the two numbers? 
a) 50 
b) 60 
c) 180 
d) 200 
e) None of the above 
4. Susan prepared a plate of cookies for her friends Ashley, Sam, Max and Olivia. Susan tried 
the first cookie before serving them to her friends. Ashley took 2 cookies and gave 1 to Sam. 
Max then took 3 cookies, and gave 1 to Olivia and 1 to Susan. If they each ate the cookies 
they ended up with, who ate the most cookies? 
a) Susan 
b) Ashley 
c) Sam 
d) Max 
e) Olivia 
 c) 7 
d) 8 
e) 9 
9. Georgia had a sum of money. She gave half of it away to her sister. Then she used half of 
the remainder to buy a book. Next she gave half of what was left to her brother. Finally, she 
found that she had $7 dollars remaining. How much money did she have at first? 
a) $28 
b) $54 
c) $56 
d) $58 
e) None of the above 
10. John is 5 years old this year. His sister is 2 years older. What is the sum of their age after 
3 years? 
a) 18 
b) 16 
c) 14 
d) 12 
e) 10 
Section B (Correct answer = 4 marks; incorrect or no answer = 0) 
11. Andre and Beth both had a total of 24 sweets. After their teacher gave them 4 sweets 
each, Andre now has 6 sweets more than Beth. How many sweets does Beth have now? 
16. + = 10 
 + + = = 13 
 What is the equal to? 
17.There were 10 pieces of paper. Some of them were cut into three parts. Altogether, there 
are now 16 pieces of paper. How many pieces were cut into three parts? 
18. A man takes 2 minutes to cut a metal rod up into two pieces. How many minutes will he 
take to cut a metal rod of the same length into 5 pieces? 
19. Zoey had a 50-cent coin, a 20-cent coin, a 10-cent coin, and a 5-cent coin. After she lost 
one coin, she found that she had twice as much as her brother. What coin did she lose? 
20. How many squares are there in the figure below?