Đề thi olympic tiếng anh lớp 5 năm học 2012 vòng 3 đề thi số 3

ĐỀ THI OLYMPIC TIẾNG ANH LỚP 5 NĂM HỌC 2012
VÒNG 3 – ĐỀ THI SỐ 3
Chọn câu trả lời tốt nhất cho những câu hỏi dưới đây.

1. The picture above shows the mass of some rocks in grams. Another rock is needed
to balance the scale. What should the new rock weigh?
A. 300 grams
B. 600 grams
C. 640 grams
D. 760 grams
2. Students in Mrs. Johnson’s class were asked to tell why 4/5 is larger than 2/3.
Which reason is the best?
A.
B.
C.
D.

because 4 is larger than 2
because 1/5 is larger than 1/3
because 4 + 5 is more than 2 + 3
because 4/5 is closer to 1 than 2/3 is to 1

3. Three hundred rubber balls must be put in boxes. Each box holds 15 balls. How
many boxes will be needed to hold all of the rubber balls?
A. 20
B. 30


C. 285
D. 315

4. Which number should go in the square for the number pattern above?
A. 12
B. 15
C. 16
D. 18
5. Which of the following numbers is less than 4.1?
A. 4.13
B. 4.11
C. 4.20
D. 4.09

6. Amy stacked identical blocks to form the solid figure above. How many blocks did
she use?
A. 9
B. 11
C. 13
D. 14


7. What should Paulo think about to make it easier to multiply 37 × 99 in his head?
A.
B.
C.
D.

99 as 100
37 as 35
99 as 90
37 as 30

8. Zack is making figures using square tiles as shown above. Following the pattern,
how many tiles will Zack need for Figure 4?
A. 6
B. 7
C. 8
D. 12
9. What would you get if you round 3,873 to the nearest hundred?
A. 3,870
B. 3,900
C. 3,970
D. 4,000
10. Alice can fill 8 large glasses from one pitcher of lemonade. If she uses glasses that
are one-half as large, about how many of the small glasses can she fill from two
pitchers of lemonade?
A. 4 small glasses
B. 16 small glasses


C. 20 small glasses
D. 32 small glasses