Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 6 năm 2015 - 2016

Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 6 năm 2015 - 2016
Exam number 1: Choose 2 consecutive cells which have the same or equal value.
(Tìm cặp bằng nhau)

Exam number 2: Vượt chướng ngại vật
Question 2.1:

The missing number is ...........
a. 5.9

b. 8.3

c. 6.3

d. 3.8

Question 2.2: Find the value of y such that 19.5 + y = 32.6
a. 52.1

b. 14.1

c. 51.1

d. 13.1

Question 2.3: Count back by 0.5
2.7

P

The value of P is ..........

a. 3.7

b. 1.2

c. 1.7

d. 4.2

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Question 2.4:
Q

0.9

The value of Q is ...........
a. 0.6

b. 1.1

c. 1.0

b. 0.7

Question 2.5: Calculate: 1.34 + 2.34 + 3.34 + ...... + 20.34 = .........
a. 205.96

b. 195.12

c. 227.64

d. 216.8

Question 2.6:

Rule: Add 13.85. The missing number is ..............
a. 54.44

b. 53.44

c. 80.14

d. 81.14

Question 2.7:

Rule: Substract 15.24. The missing number is ...........
a. 49.42

b. 19.84

c. 48.52

d. 18.94

Question 2.8: Which of following decimals is equal to 3/8?
a. 0.35

b. 0.375

c. 0.3

d. 0.357

Question 2.9: Write these numbers in standard form: 21.3 = 20 + 1 + 0.3
Which of following is true?
a. 149.34 = 100 + 40 + 9 + 0.34
b. 127.06 = 120 + 7 + 0.06
c. 105.9 = 100 + 5 + 0.9
d. 280.2 = 200 + 8 + 0.2
Question 2.10: Count on by 0.3
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N

4.7

The value of N is ............
a. 4.1

b. 3.5

c. 3.8

d. 4.4

c. 0.08

b. 0.6

c. 8

d. 7

Question 2.11: 10 + ..... + 8 = 18.06
The missing number is .............
a. 0.06

b. 0.8

Question 2.12: Find the value of a if

a. 9

b. 1

Exam number 3: Fill in the blank with the suitable number (Note: write decimal number
with "the dot" between number part and fraction part. Example: 0.5)
Question 3.1: If n = 23.54 then n x 9 = ...............
Write your answer by decimal in the simplest form
Question 3.2: If a x b = 42.63 then b x a = ..........
Question 3.3:

The missing decimal number is ...........
Question 3.4: Multiply: 3.56 x 8 = .......... Write your answer by decimal in the simplest
form.

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Question 3.5: This table shows the weights of Peter's three dogs.

The product of the combined weight of Shadow and Josie and the weight of Brody
is ............. kg.
Question 3.6: If a = 2.4; b = 5.6 and c = 7.6 then (a + b) x c = ......... Write your answer by
decimal in the simplest form.
Question 3.7: The cost of 2 kilograms of oranges is 2.31 dollars. What is the cost of 12
kilograms of oranges?
Question 3.8: Calculate: 0.4 x 8.4 x 2.5 = ............
Fill in the blank with the suitable sign (>, =, <)
Question 3.9: Compare:

M = 25.36 x 25.34 and P = 25.35 x 25.35

Question 3.10: Compare: A = 26.26 x 4949.49 and B = 49.49 x 2626.26
ĐÁP ÁN

Exam number 1: Choose 2 consecutive cells which have the same or equal value. (Tìm
cặp bằng nhau)
(1) = (5); (2) = (4); (3) = (19); (6) = (10); (7) = (8); (9) = (20); (11) = (12); (13) = (15);
(14) = (18); (16) = (17)
Exam number 2: Vượt chướng ngại vật
Question 2.1: b

Question 2.4: b

Question 2.2: d

Question 2.5: d

Question 2.3: b

Question 2.6: b

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Question 2.7: a

Question 2.10: c

Question 2.8: b

Question 2.11: a

Question 2.9: c
Question 2.12: c
Exam number 3: Fill in the blank with the suitable number
Question 3.1: 211.86
Question 3.2: 42.63
Question 3.3: 9.2
Question 3.4: 28.48
Question 3.5: 44.7
Question 3.6: 60.8
Question 3.7: 13.86
Question 3.8: 8.4
Question 3.9: <
Question 3.10: =

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