Đề thi Olympic Tiếng Anh lớp 8 vòng 2 năm học 2013 - 2014

Đề thi Olympic Tiếng Anh lớp 8

Việc ôn tập và củng cố kiến thức để chuẩn bị cho kì thi Olympic Tiếng Anh sẽ trở nên thuận tiện hơn bào giờ hết khi bạn sở hữu tài liệu: Đề thi Olympic Tiếng Anh lớp 8 vòng 2 năm học 2013 - 2014. Mời các bạn tham khảo.

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Đề thi Olympic Tiếng Anh lớp 6 vòng 1 năm 2013 - 2014

Đề thi Olympic Tiếng Anh lớp 8 vòng 2 đề thi số 1

Choose the best answer for the following questions. (2 points per question)

Câu 1. The length of a rectangle is increased by 25%, but the width of the rectangle is adjusted to keep the area of the rectangle unchanged. By what percent was the rectangle's width adjusted?

A. 20 percent B. 22 percent C. 24 percent D. 26 percent

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 2. Look at the graph above. What is the equation of the line on the graph?

A. y = 4 B. y = 4x C. y = x - 4 D. y = x + 4

200x + 150 ≥ 700

Câu 3. There is $150 in Dave's bank account. He deposits $200 into the account each month. Dave needs at least $700 to buy a used car. The inequality above can be solved for x to find the number of deposits Dave must make to reach his goal. What is the minimum number of deposits that Dave needs to make in order to buy a used car?

A. 3 B. 4 C. 5 D. 2

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 4. The box-and-whisker plot above shows the amount of time students at East Junior High School study each week. What percent of the students study at least 10 hours each week?

A. 10% B. 25% C. 50% D. 75%

2, 5, 2, 5, 1, 6, 4, 7, 1, 6, 3, 6

Câu 5. The ages of Sasha's cousins are listed above. What is the median age of Sasha's cousins?

A. 6 B. 5.5 C. 4.5 D. 4

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 6. Carina downloaded songs to her new portable music player each day for five days. The line graph above shows the total number of songs Carina had on her music player at the end of each day. On which day did she add the most songs?

A. Tuesday B. Wednesday C. Thursday D. Friday

Câu 7. A trip between two cities on a standard train takes 4 hours. On a high-speed train, the time for the same trip is reduced by 62.5%. How many hours does the trip on the high-speed train take?

A. 1.5 hours B. 2.5 hours C. 3.375 hours D. 3.625 hours

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 8. In the diagram above, the front of the tent forms an isosceles triangle. What is the area of the triangle?

A. 24 square feet B. 26 square feet C. 34 square feet D. 48 square feet

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 9. A circle is inscribed inside of a square, where the circle touches all four sides of the square, as shown above. Jan wants to calculate the ratio of the area of the square to the area of the circle. She knows that the area of the circle = πr2. She determines that the ratio = 4: π . Why is that the case?

A. A side of the square = the radius. Thus, the area of the square = r2.
B. A side of the square = 2 times the radius. Thus, the area of the square = 4r2.
C. A side of the square = 4 times the radius. Thus, the area of the square = 16r2.
D. A side of the square = 1/2 the radius. Thus, the area of the square = 1/4r2

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 10. In the triangle above, what is the measure of angle R?

A. 720 B. 820 C. 980 D. 1080

Đề thi Olympic Tiếng Anh lớp 8 vòng 2 đề thi số 2

Choose the best answer for the following questions. (2 points per question)

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 1. Which of the following would transform quadrilateral ABCD to quadrilateral A′B′C′D′?

A. A reflection across the y-axis and a reflection across the x-axis
B. A reflection across the y-axis and a slide down 5 units
C. A reflection across the x-axis and a slide up 5 units
D. A slide down 5 units and a slide right 5 units

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 2. Look at the table above. Which student group has the least number of members in 8th grade?

A. Honor society B. Jazz band C. Chess club D. Recycling club

Câu 3. There were 5 women, 14 men, and 21 children on a bus. One person signaled the driver to stop. What is the probability that the person who signaled was a woman?

A. 1/40 B. 1/8 C. 1/7 D. 1/5

Câu 4. Kari, Myrna, Nate, and Walt were standing in the lunch line. How many different ways could they be arranged in the lunch line?

A. 4 B. 8 C. 16 D. 24

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 5. In the diagram above, lines m and n are parallel. Which angles are congruent to ∠1?

A. ∠2, ∠3, and ∠8 B. ∠5, ∠2, and ∠3
C. ∠6, ∠7, and ∠4 D. ∠6, ∠3, and ∠8

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 6. What is the total number of degrees of the interior angles of this polygon?

A. 640 B. 3600 C. 9000 D. 1,0800

Câu 7. The base of a circular pool has a radius of 3 feet. What is the approximate area of the base of the pool? (Use 3.14 for π.)

A. 88.74 square feet B. 37.78 square feet
C. 28.26 square feet D. 18.84 square feet

Ian's pattern: 1, 4, 16, 64
Lauren's pattern: –2, –8, ____

Câu 8. Ian and Lauren are each making patterns that follow the same rule. What is the next number in Lauren's pattern?

A. –14 B. –16 C. –24 D. –32

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

Câu 9. This table above shows the cost of renting a kayak. The cost of renting a kayak is represented by the equation y = 8x + 5, where x represents the number of hours. What does the slope of the equation represent?

A. The total cost for the rental
B. The cost of renting a kayak for 5 hours
C. The cost of renting a kayak for 8 hours
D. The cost increase for each hour of rental

The oven takes 10 minutes to warm up before the first tray of muffins can be baked.
Each tray of muffins takes 20 minutes to bake.

Câu 10. Tessa bakes muffins in an oven. Which table shows the relationship between the number of trays of muffins Tessa bakes and the total oven time?

Đề thi Olympic Tiếng Anh lớp 8 vòng 2

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