ĐỀ THI VIOLYMPIC TOÁN TIẾNG ANH LỚP 5 VÒNG 7 NĂM 2015 - 2016
Exam number 1: Sắp xếp các giá trị theo thứ tự tăng dần
Answer: (4) < ..... < ........ < ....... < ........ < ......... Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được dãy số tăng dần
Exam number 2: Cóc vàng tài ba
Question 2.1: Calculate: 0.18 x 400 = ............
a. 7.2
b. 0.72
c. 720
d. 72
Question 2.2:
Calculate: 6.3 x 6.4 + 3.6 x 6.3 = ..............
a. 63
b. 39
c. 36
d. 64
Question 2.3:
If X x 3.7 = 17.75 then 7.4 x X = ..........
a. 35.25
b. 35.24
c. 34.52
d. 35.52
Question 2.4:
Find the value of X such that 9.6 x X = 6.4 x 7.2. Answer: X = ...........
a. 5.6
b. 5.4
c. 4.2
d. 4.8
Question 2.5:
The value of the digit 5 in 238.159 is .............
a. 0.5
b. 0.05
c. 5
d. 0.005
Question 2.6:
If 15.498 < 15.4xy then y = ............
a. x = 7
b. y = 8
c. y = 9
d. y = 6
Question 2.7:
Find the value of X such that X x 3.6 = 18.72
a. 4.7
b. 5.2
c. 5.7
d. 4.2
Question 2.8:
Write as a decimal number?
a. 8.75
b. 8.25
c. 8.55
d. 8.5
Question 2.9:
James buys 5 Harry Potter books at $200.25 each. What is the total cost?
a. $1000.25
b. $1001.25
c. $1001
d. $1001.1
Question 2.10:
Charlies buys two pairs of shoes for $15.75 each. He gives the clerk $50.00. How much change should Charlie receive?
a. $18.5
b. $31.5
c. $34.25
d. $15.75
Question 2.11:
The value of 2.56 x 4.15 + 7.623 is ..........
a. 18.427
b. 18.274
c. 18.472
d. 18.247
Question 2.12:
If you can ride 7.35km in 15 minutes then how far can you ride in 2 hours?
a. 44.1km
b. 29.4km
c. 14.7km
d. 58.8km
Question 2.13:
Four friends eating four pizzas that have same size. John has 2/5 left, James has 1/3 left, Jacob has 1/4 left and Billy has 3/5 left. Who eats the most amount of pizza?
a. Billy
b. James
c. Jacob
d. John
Question 2.14:
The table shows the cost of hamburgers:
If the pattern continues then the cost of 5 hamburgers is .............
a. $13.75
b. $13.25
c. $12.75
d. $12.25
Question 2.15:
Mary calculates the sum of the digits that she sees on her clock (example: If the clock shows 16:35 then she gets 15). What is the biggest sum she can get if the clock is a 24- hour cock?
a. 24
b. 35
c. Another answer
d. 19
Question 2.16:
In the month, there are five Fridays. This month could not have .......
a. Five Sundays
b. Five Wednesdays
C. Five Tuesdays
d. Five Thursdays
Exam number 3: Đỉnh núi trí tuệ
Question 3.1: .........% of 120 is 138.
Question 3.2:
...........% of 256 is 64.
Question 3.3:
Find the value of X such that: 6.5 : X = 6.5 x X Answer: X = ...........
Question 3.4:
What percentage of the circle is shaded?
Answer: .........%
Question 3.5:
Find the following percentage: 30% of 22 is ............ Write your answer by natural number or decimal in the simplest form
Question 3.6:
Calculate the percentage: 70% of 48 is .......... Write your answer by natural number of decimal in the simplest form.
Question 3.7:
Complete the table below:
The missing number is ..............
Question 3.8:
A clothing shop is having a 40% off sale. How much would a shopper have to pay for a shirt with its original price is $20? Answer: $............
Question 3.9:
The original price of an umbrella is $15. What is its price after two times 10% discount? Answer: $........... Write your answer by decimal in the simplest form.
Question 3.10:
How many pairs of two - digit natural numbers have a difference equal to 40? Answer: .......... pairs.

