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)

Answer: (1) = .......; (2) = .......; (3) = ......; (6) = .......; (7) = .......; (9) = ......; (11) = .......; (13) = ......; (14) = .......; (16) = ..... Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được dãy số tăng dần

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 Answer: y = ...........



a. 52.1



b. 14.1



c. 51.1



d. 13.1

Question 2.3:

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



a. 3.7



b. 1.2



c. 1.7



d. 4.2

Question 2.4:

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:

The value of N is ............



a. 4.1



b. 3.5



c. 3.8



d. 4.4

Question 2.11:

10 + ..... + 8 = 18.06 The missing number is .............



a. 0.06



b. 0.8



c. 0.08



b. 0.6

Question 2.12:

Find the value of a if

Answer: a = ............



a. 9



b. 1



c. 8



d. 7

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.

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? Answer: ......... dollars.

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 Answer: M ...... P

Question 3.10:

Compare: A = 26.26 x 4949.49 and B = 49.49 x 2626.26 Answer: A ............ B