Đề thi olympic tiếng anh lớp 5 năm học 2012 vòng 7 đề thi số 4

ĐỀ THI OLYMPIC TIẾNG ANH LỚP NĂM HỌC 2012 VÒNG - ĐỀ THI SỐ Chọn câu trả lời tốt cho câu hỏi 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 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 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 /8 /8 1/8 3/8 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 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 /8 cup /16 cup /8 cup 1/8 cups 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 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 miles B miles C miles D miles 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 /8 pound /2 pound /8 pound /8 pound 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 ounces ... space that will be planted with tomatoes? A B C D 0 .48 0.60 0 .72 0. 75 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... will be harvested altogether? A B C D 72 acres 7. 2 acres 0 .72 acre 0. 072 acre 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... 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