Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 9 năm 2014 - 2015

Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 9 năm 2014 - 2015

Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 9 

Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 8 năm 2015 - 2016 là đề thi giải Toán bằng Tiếng Anh qua mạng dành cho học sinh lớp 5 có đáp án đi cùng được VnDoc sưu tầm và giới thiệu tới các em học sinh hi vọng giúp các em ôn tập và củng cố kiến thức, nhằm đạt kết quả cao trong các vòng tiếp theo của cuộc thi Violympic giải Toán Tiếng Anh qua mạng năm học 2015 - 2016.

Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 8 năm 2015 - 2016

Mời làm:  trực tuyến

Exam number 1: Choose the most suitable answer in 4 available answers. (Cóc vàng tài ba)

Question 1: Choose the calculation that has the greatest result.

a. 125,7 : 3 + 14,3

b. 365,5 : 5 - 17,8

c. 59,8 : 2 + 26,13

d. 196,4 : 4 - 7,07

Question 2: Peter counts his heart rate. He counts 8 beats per 6 seconds on average. How many beats per minute does Peter count?

a. 75                                        b. 140                                      c. 60                                 d. 80

Question 3: Which fraction is equal to 17,5%?

a. 35/20                                     b. 7/40                                      c. 35/50                          d. 175/100

Question 4: Mia wants to buy apple. Which is the best buy?

a. 7kg of apples for $30,38

b. 5kg of apples for $21,5

c. 6kg of apples for $26,1

d. 4kg of apples for $17,32

Question 5: The product: 20 x 21 x 22 x ..... x 40 has ....... digit 0.

a. 4                                   b. 6                           c. 5                                       d. 3

Question 6: Which shape is colored more than 50% in green?

Question 7: If number A is increased by 60% then it will equal number B. How much percentage will B be decreased by to equal A?

a. 40%                        b. 62,5%                            c. 37,5%                         d. 60%

Question 8: Find the smallest number that is 7 times the sum of its digits?

a. 28                          b. 21                                     c. 14                              d. 35

Question 9: Calculate:Choose the correct answer:

a. 767/768                 b. 711/768                              c. 255/256                        d. 85/256

Question 10: How many fractions equal 1/5 and have denominators of 2 - digit numbers?

a. 16                         b. 18                                     c. 22                                d. 20

Exam number 2: Your car has to pass 5 obstacles to finish. In order to overcom each obstacle, you have to answer correctly one of three problems in that obstacle. (Vượt chướng ngại vật)

Question 1: If and n is a natural number then n = ...........

Question 2: 

The perimeter of the shape is ....... cm.

Question 3: Find X if X x 8,6 - 5,2 x X - 11,06 = 5,94

Question 4: Calculate: 5,5 x (3,5 - 1,5) + 1,5 = ..............

Question 5: Calculate: 

Exam number 3: Find the blank with the suitable number

(Note: write decimal number with the comma" between number part and fraction part. Ex: 0,5)

Question 1: 5,136m³ = ............ cm³.

Question 2: 47/250 dm³ = ............. cm³.

Question 3: The perimeter of a circle is 15,7dm. Its area is ....... cm².

Question 4: Jane bought a couch. A couch costs 950 dollars. She received a 30% discount. How much of a discount did she get?

Question 5: The ratio of the number of girls to the number of boys in a classroom is 5 : 4. When 10 girls left the classroom, the ratio of the number of boys to the number of girls became 4 : 3. How many students were in the classroom at first?

Question 6: The area of a rectangle is 50m2. If it's length is increased by 10% and it's awidth is decreased by 20% then the area of new rectangle is ...............m².

Question 7: An aquarium is 8dm deep, 12dm long and 0,3m wide. What is the volume of the aquarium in cubic centimeter?

Question 8:

The sum of all square's area in the following figure is 375cm2. The area of the biggest square is ............ dm2.

Question 9: At a party 60% of the boys are dancing with 80% of the girls. How many people are dancing if there are 35 people? (A pair cludes only one boy and one girl)

Question 10:

Look at the following figure. AF/AB = 1/4; AE/AC = 1/3. If the area of triangle GBD is 270m² then the area of the triangle GCD is .......... m².

Đáp án đề thi Violympic Toán Tiếng Anh lớp 5 vòng 9

Exam number 1: Choose the most suitable answer in 4 available answers. (Cóc vàng tài ba)

Question 1: a

Question 2: d

Question 3: b

Question 4: b

Question 5: b

Questionc 6: d

Question 7: c

Question 8: b

Question 9: d

Question 10: b

Exam number 2: Your car has to pass 5 obstacles to finish. In order to overcom each obstacle, you have to answer correctly one of three problems in that obstacle. (Vượt chướng ngại vật)

Question 1: 25

Question 2: 80

Question 3: 5

Question 4: 12,5

Question 5: 4

Exam number 3: Find the blank with the suitable number (Note: write decimal number with the comma" between number part and fraction part. Ex: 0,5)

Question 1: 5136000

Question 2: 188

Question 3: 1962,5

Question 4: 285

Question 5: 45

Question 6: 44

Question 7: 28800

Question 8: 2

Question 9: 24

Question 10: 180

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