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Đề thi olympic tiếng anh lớp 5 năm học 2012 vòng 7 đề thi số 4
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ĐỀ THI OLYMPIC TIẾNG ANH LỚP 5 NĂM HỌC 2012
VÒNG 7 - ĐỀ THI SỐ 4
Chọn câu trả lời tốt nhất cho những câu hỏi dưới đây.
1. Anna used a 12-ounce bottle of cleaning solution to clean the mirrors in her
bathroom. To make the solution, she used vinegar, ammonia, and water. One-fourth
of the solution was vinegar and one-third was ammonia. What part of the solution
was water?
A. 11/12
B. 10/12
C. 7/12
D. 5/12
2. Jesse made the grid above to map out his vegetable garden. If Jesse plans to triple
the number of tomatoes in his garden next summer (and keep the garden the same
size), which of the following decimals shows the portion of garden space that will be
planted with tomatoes?
A.
B.
C.
D.
0.48
0.60
0.72
0.75
3. Matthew had 13/16 of a jar of red paint to use on two posters. He used 7/16 on his
first poster. How much red paint does he have left to use on his second poster?
A.
B.
C.
D.
1
/8
3
/8
1 1/8
1 3/8
4. Robert’s family grows wheat on their farm. He made the sketch above to map out
the different acres. The shaded region represents the part of each acre that will be
harvested. How much acreage will be harvested altogether?
A.
B.
C.
D.
72 acres
7.2 acres
0.72 acre
0.072 acre
5. Terry is baking a cake for her mother. The recipe calls for 3/8 of a cup of oil and
4/8 of a cup of milk. How much liquid must Terry use in the cake recipe altogether?
A.
B.
C.
D.
1
/8 cup
7
/16 cup
7
/8 cup
1 1/8 cups
6. Mrs. McDonald read out the word problem above to her math class. Is there
enough information to solve this problem?
A. Yes, there is enough information. Add $3.98 and $1.98. Subtract the total
from $10.00. He received $4.04 change.
B. Yes, there is enough information. Add $3.98, $1.98, and $10.00. The answer is
$15.96.
C. No, there is not enough information. The price of the model car needs to be
given.
D. No, there is not enough information. The tax rate must be given.
7. Collin works four days a week during the summer. To get to his job and back
home, he rides his bike for 3/4 mile. How many miles does Collin ride his bike to and
from work each week?
A. 3 miles
B. 4 miles
C. 6 miles
D. 9 miles
8. For Thanksgiving dinner, Mrs. Longfellow purchased 3/8 of a pound of ham and
2/8 of a pound of turkey from Kroger. How much meat did she buy in all?
A.
B.
C.
D.
1
/8 pound
1
/2 pound
5
/8 pound
6
/8 pound
9. Sammy is a smart shopper. She found a $48.00 sweater on sale for 1/3 off the
original price. How much money will she save if she buys the sweater?
A.
B.
C.
D.
$16
$32
$33
$33.60
10. Mr. Brink needs to buy a 24-pack case of canned milk. The whole case weighs
288 ounces. How much does 1/4 of the case weigh?
A.
B.
C.
D.
72 ounces
60 ounces
48 ounces
6 ounces
