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

Mrs. Johnson wrote a number on the board. She asked each of her students to write the number as a product of prime numbers. Which of the following equations is correct?

Mr. Taft wrote the expression A4 × A4 on the board. He told the class that A = 1. What is the value of the expression Mr. Taft wrote on the board?

Joshua needs the largest wrench in his tool box to finish his art project. In his tool box, he has wrenches that measure 3/4 of an inch, 5/16 of an inch, 1/2 an inch and 7/8 of an inch. Which wrench does Joshua need?

Missy and Elliot had a contest to see how many sticks of gum each can fit in their mouth. The first number shows how many Missy could fit and the second number shows how many Elliot could fit. What is the difference?

Mr. Jones's secretary can type 56 words per minute. How much time will she need to type a 4200-word report?

3 ÷ 0.24 =

The first number represents the length of Melissa's index finger in inches. The second number represents the length of Melissa's baby brother's pinky in inches. She divided the two numbers how many of her brother's pinkies are needed to reach the length of her index finger. What is the answer?

Jaclyn works in a large department store and earns $3.60 per hour. The store will pay her an extra 5% per hour if she sells more than $100 worth of merchandise. She completes her sales quota for each hour of her 5-hour shift. How much will she earn for the shift?

There was a power failure in Marcia's neighborhood last weekend. The power went off on Friday at 7:00 PM and came back on Sunday at 2:00 PM. For how many hours was the power off?

Gary and Bob made a rectangular fortress in the basement using all of the pillows in their house. The fortress had sides that were 10 feet and 5 feet long. What was the area?

Charlotte drew a square that had a perimeter of 4 cm. Timothy drew a square with sides that were twice as long as the sides on Charlotte's square. What is the perimeter of Timothy's square?