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

How much does Mrs.. 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 ..... How many fractions are

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:

6

5 1 6

1

6  

Câu 3: Calculate:

4

3 1 7

2

5  

Câu 4: Calculate:

10

9 9

10

2 2 10

1



A

Câu 5: Calculate:

6

5 5

4 4

3 12

2 15

3 16

20     

Câu 6: Calculate A=

36 35

9 35 34

9

6 5

9 5 4

9















 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

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

Câu 4: Convert the mixed number 5

9

7

to a fraction

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

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?

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

a)

b)

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?

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

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:

Câu 1: a

Câu 2: b

Câu 3: d

Câu 4: d

Câu 5: d

Câu 6: c Câu 7: a Câu 8: a Câu 9: c Câu 10: c