Đề thi olympic tiếng anh lớp 5 năm học 2012 vòng 8 đề thi số 2

ĐỀ THI OLYMPIC TIẾNG ANH LỚP 5 NĂM HỌC 2012
VÒNG 8 - ĐỀ THI SỐ 2
Chọn câu trả lời tốt nhất cho những câu hỏi dưới đây.
1. A percentage is greater than 25/100. The sum of its digits is 1. Which of the
following could be the percent number?
A.
B.
C.
D.

1%
10%
100%
99%

2. A fraction of the kites above is dark. Which group has an equivalent fraction of
dark kites?

A.

B.


C.

D.

3. Which of the following fractions has a value greater than 3/4?
A.
B.
C.

D.

1/12
10/12
3/7
2/6

4. What number is represented by the model shown above?
A.
B.
C.
D.

1.47
1.74
10.47
14.07


5. Which measurement best describes the weight of a box of cereal?
A.
B.
C.
D.

2 meters
2 liters
2 grams
0.5 kilogram

6. Tanya has a pet service. She estimates that it takes more than 25 minutes but less
than 30 minutes to walk a dog. About how many dogs can she walk in 5/2 hours?
A.
B.
C.
D.

3
4
5
14

7. Sled dog racing is a popular sport in Alaska. The most famous annual dog sled
race is the 1,200-mile Iditarod, from Anchorage to Nome. If one of the drivers
completed only 300 miles of this race, what's the percentage of the total race did he
complete?
A.
B.
C.
D.

15%
25%
35%
45%


8. Tommy ate 2 slices of pie and left the other 8 slices for his friends. What
percentage of the pie did Tommy eat?
A.

B.
C.
D.

15%
20%
35%
45%

9. You want to measure how fast a student can run a mile. What instrument would
you use?
A.
B.
C.
D.

scale
yard stick
stop watch
thermometer

10. What shape cannot be used by itself to form a tessellation?
A.
B.
C.
D.

square
equilateral triangle
rectangle

circle