One plus one = two
đơn giản
đấy 1+ 1 =?
what bạn viết bài toán đi mink k cho
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 width 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
Đề thi Violympic Toán tiếng Anh lớp 5 vòng 8
Exam number 1: Đi tìm kho báu
Question 1: There are 40 students in Mrs. Brown's class. 25% of her students received a B on the test. How many students received a B?
a. 10 b. 12 c. 18 d. 20
Question 2: What is the product of 3.05 and 2.8?
a. 8.54 b. 8.056 c. 8.56 d. 8.054
Question 3: A clothing shop is having a 40% off sale. How much would Jane have to pay for a $30 sweater with a 40% discount?
a. $18 b. $20 c. $50 d. $13
Question 4: If a pen costs $1.75 and an eraser costs $0.85, which of the following is the cost of 10 erasers and 5 pens?
a. $21.75 b. $26 c. $18.75 d. $17.25
Question 5: If the area of the rectangle ABCD is 60cm2 then the area of the trapezoid MNCD is ..........cm2.
a. 48 b. 50 c. 45 d. 54
Hok T
choose the corret answer
1+1= ?
đấy nhớ k nhá
