Đề thi Olympic Tiếng Anh lớp 5 vòng 11 năm 2013 - 2014

Mrs. Turner made the following four bags filled with different amounts of red and green marbles. If Jess picks a marble at random, from which bag will he have the greatest chance of picking a red marble?

Richard's dog just had a litter of three puppies. The litter has one black puppy, one tan puppy, and one white puppy. If Richard reaches into the basket and picks up two of the puppies, which of the following lists has all the possible combinations of puppies Richard might get?

Karen and Jamal made the spinner above to spin 21 times. They recorded their results using a tally chart. Which of the following charts shows the most likely outcome of 21 spins?

Tyler wants to start his own food stand business. To fill up his stand, he went to a wholesale store to buy 105 applies, 29 cookies, and 151 sticks of gum. How many items did Tyler buy altogether?

Gerald wants to collect comic books and then rent them to the kids in his neighborhood. He had 19 comic books to start with. Then, his sister gave him 13 comic books; his mother gave him 17; and his uncle gave him 67. How many comic books has Gerald collected so far?

Joe is conducting an experiment using the spinner with equal sections above. He will spin the arrow 28 times. If he spins a "T" 7 times, will his expected result be the same as his experimental result?

Michelle used a ruler to construct the rectangle above. What is the area of Michelle's rectangle?

Sam has three quarters, four dimes, two nickels, and one penny in his pocket. If he reaches into his pocket and pulls out one coin, what is the probability that the coin will be worth more than a dime?

Max is selling candy bars for a school fundraiser. He has 3 Musketeers bars, Crunch bars, and Kit-Kat bars. Shelly wants to buy two different candy bars. How many different combinations of two different candy bars can be made?

Kimmie is a cashier at Kroger. She needs to give a customer twenty cents in change, but she ran out of dimes. How many different ways can Kimmie make change using nickels and pennies?