Đề thi Olympic Tiếng Anh lớp 4 vòng 19 năm 2013 - 2014

Jesse and Fred shared a pizza. Jesse ate 1/8 of the pizza, and Fred ate 1/2 of the pizza. Which picture shows how much pizza was left?

Mrs. Thomson has her hands full. She is organizing the programs offered in the town of Raymond this summer. She had it all planned out and created the bar graph above to show how many people signed up for each program. However, at the last minute, 2 people dropped out of the swimming program, 1 person joined the hiking program, and 1 person switched from basketball to swimming. Mrs. Thomson needs to update her graph. What should her graph look like now?

Tynan used small squares to make each figure shown in the arithmetic pattern above. If the pattern continues, how many small squares will be in Figure 10?

Louise was reciting the 26 letters of the alphabet in groups of 3: "ABC, DEF, GHI, . . . " Before she could finish, her friend Heather said, "There will be 2 letters left over." Which of the following suggests that Heather is correct?

Ryan, Jodi, Tess, and Jeremy had a checkers tournament. The chart above shows the results. Which player won exactly 1/2 of the games that he or she played?

Claire and Leo love Skittles. Claire has 3 piles of Skittles with 8 Skittles in each pile. Leo has 8 piles of Skittles with 3 Skittles in each pile. Which number sentence shows that Claire and Leo have the same number of Skittles?

Joseph is using white and black triangle tiles to create the pattern above. If Joseph continues his pattern, how many black tiles will there be in Figure 5?

Mrs. Clark is in charge of designing the new playground at Hope Park. The picture above shows the shape Mrs. Clark chose for it. What is the perimeter of the playground?

Frank needs to buy dirt to cover the ground so he needs to know the area of the playground. What is the area in square units of the playground Mrs. Clark designed?

Mrs. Clark isn't sure if the area for the playground is big enough. She decided to expand. The playground will now be a square shape with a perimeter of 32 units. What would be the area of this new design?