Đề thi Violympic Toán Tiếng Anh lớp 5 vòng 3 năm 2016-2017

ĐỀ THI VIOLYMPIC TOÁN TIẾNG ANH LỚP 5 VÒNG 3 NĂM 2016 – 2017

Bài 1: Chọn các giá trị theo thứ tự tăng dần

Bài 2: Đi tìm kho báu

Câu 1: The last digit of the product: 1 x 2 x 3 x 4 x ... x 11 is ...

Câu 2: Calculate:  

Câu 3: Calculate:

Câu 4: Calculate: 

Câu 5: Calculate:

Câu 6: Calculate A=

Câu 7: The least common denominator of two fractions 2/21 and 3/28 is....

Câu 8: The cost of 5 pencils is 9 dollar. How much does Mrs. Emily have to pay for 10 pencils?

Câu 9: Two books and three pens cost $35. Two books and six pén cost $50. How much does each cost?

Câu 10: The sum of two consecutive even numbers is 850, the smaller number is ...

Bài số 3: Cóc vàng tài ba

Câu 1:

a)                       b)                 c)                d)

Câu 2: Write these fractions: 1/5; 2/1; 3/2; 4/3; 5/4 in order from the greatest to the least. The result is...

a) 1/5 ; 5/4; 4/3; 3/2; 2/1

b) 2/1; 3/2; 4/3; 5/4; 1/5

c) 5/4; 1/5; 4/3; 3/2; 2/1

d) 1/5; 4/3; 5/4; 3/2; 2/1

Câu 3: Find the average of 82/4 and 146/ 4

a) 113/4                           b) 57                        c) 114                      d) 57/2

Câu 4: Convert the mixed number to a fraction.

a) 18/9                             b) 12/9                    c) 54/9                    d) 52/9

Câu 5: The sum of denominator and numerator of the fraction 243/167 is....

a) 420                              b) 400                      c) 310                      d) 410

Câu 6: Look at the following series 3/4; 5/6; 21/20; 8/7; 34/35; 56/49. How many fractions are greater than 1 are there in the series?

a) 2                                  b) 5                          c) 3                          d) 4

Câu 7: Which of the following shape is shaded 2/3 of the shape?

a)

b)

c)

d)

Câu 8: The sum of two numbers is 156. The first number is 5/7 the second number. What is the value of the smaller number?

a) 65                                b) 91                        c) 390                      d) 123

Câu 9: Which of the following fractions is equal to 36/162?

a) 1/4                               b) 3/9                       c) 12/54                   d) 2/7

Câu 10: The difference of two numbers is 189. Their ratio is 2/5. Find those two numbers?

a) 54; 135;                       b) 234; 214 ;           c) 126; 315;             d) 534; 126

Đáp án

Bài 1: Chọn các giá trị theo thứ tự tăng dần

11 > 18 > 17 > 1 > 13 > 9 > 10 > 16 > 8 >15 > 20 > 4 > 5 > 14 > 2 > 6 > 7 > 3 > 12 > 19

Bài 2: Đi tìm kho báu

Câu 1: 0

Câu 2: 8

Câu 3: 9,25

Câu 4: 49,5

Câu 5: 4

Câu 6: 2

Câu 7: 84

Câu 8: 18

Câu 9: 5

Câu 10: 424

Bài 3: Cóc vàng tài ba: