# Grade 4 Olympiad – Tuyển chọn câu hỏi Olympiad lớp 4

Table Of Contents

Grade 4 Olympiad

## Week 1

### Choose correct answer(s) from the given choices

(1) In a park, Annie notices that there are 26 legs. How many people and dogs can be there in

the park?

a. 8 people and 3 dogs b. 7 people and 4 dogs

c. 7 people and 3 dogs d. 6 people and 3 dogs

(2) What fraction of the following image is shaded ?

(3) Complete the pattern:

(4) What is the 13th term of the series 1 2 2 3 3 3 4 4 4 4 ….

a. 6 b. 4 c. 7 d. 5

c. ₫11 d. ₫10

### Fill in the blanks

(7) Age of Hien is 22 years and age of James is 31 years. The sum of their ages (in roman numerals) is …………… .

### Answer the questions

(8) The table below shows the number of books read by five children in one month.

Name | Number of books |

Minh | ? |

Huynh | 25 |

Huyen | 25 |

Emily | 8 |

Charles | 23 |

If Minh read 5 books less than 1/3 of the total number of books read by the other four children, then how many books did Minh read in a month?

(9) In a clock, the hour hand is pointing between digits 2 and 3, and the minute hand is pointing at 5. What is the current time?

(10) If ‘+’ means ‘×’, ‘÷’ means ‘+’, ‘-’ means ‘÷’ and ‘×’ means ‘-’ find the value of expression:

13 + 5 ÷ 24 – 12 × 5 =

## Week 2

### Choose correct answer(s) from the given choices

(1) Following shape is made of several small cubes. What fraction of cubes are visible in the picture shown below?

a.\frac{6}{{24}}

b. \frac{15}{{24}}

c. \frac{18}{{24}}

d. \frac{26}{{24}}

(2) Find the sum of the largest 3 digit number and the smallest 6 digit number.

a. 101001 b. 100999

c. 101000 d. 100998

(3) The zoo is 7 km East of the hospital, and the airport is 7 km South of the hospital. The airport is in which direction of the zoo?

a. West b. South

c. South-West d. North-East

(4) Gabriella earns $6 per hour by selling vegetables. Last week she worked for 10 hours and spent $24 of the money she earned. Which of the following expression shows the money left with her?

a. $6.00 × 10 − $24.00 b. $6.00 × 10 ÷ $24.00

c. $6.00 × 10 + $24.00 d. $6.00 + 10 − $24.00

(5) In a given number, if you move some digit one place to the left, then the place value of that digit changes by a factor of:

a. 1

b. 0

c. \frac{1}{{100}}

d. 10

### Fill in the blanks

(6) An Elementary School has 500 students. The least number of students that must have been born on the same day of the year is …………

(7) The sum of the smallest 2 digit number and the largest 5 digit number is ………..

### Answer the questions

(8) If ‘+’ means ‘×’, ‘÷’ means ‘+’, ‘-’ means ‘÷’ and ‘×’ means ‘-’ find the value of expression:

13 + 4 ÷ 60 – 20 × 12 =

(9) If the power plant is 24km 400m from Dylan’s house, how far is the church from the airport?

## Week 3

### Choose correct answer(s) from the given choices

(1) Which rule can be used to explain this number pattern?

1, 1, 2, 4, 7, 11, 16, ……

a. Multiply by 1, then multiply by 2, then multiply by 3, and so on

b. Multiply by 4 and subtract 2

c. Add 0, then add 1, then add 2, and so on

d. Multiply by 4 and add 2

### Fill in the blanks

(2) If ‘a’ means ‘+’, ‘b’ means ‘×’, ‘c’ means ‘÷’ and ‘d’ means ‘-‘ then

5 a 19 b 10 c 5 d 17 =

(3) At least line segments are required to make letter N

(5) The table below shows the number of books read by five children in one month.

If Angel read 6 books less than 1/5 of the total number of books read by the other four children, then Angel read books in a month.

### Answer the questions

(6) Along a highway, there are electric poles on one side of the highway and telegraph poles on the other side. The electric poles are separated by 15 m and the telegraph poles are separated by 36 m. If an electric and a telegraph pole are both present at the point where the highway begins, after how much distance along the highway will they both be in front of each other again?

(7) Matthew has 168 books. David has one fourth as many books as Matthew. Jack has 6 more books than David. What expression will show the number of books Jack has?

(8) Fill in the empty boxes.

(9) Given,

How many less toffees than muffins did he buy ?

(10) What is the least number of people attending a concert, if at least two of them have the same initials (assuming there are only 2 letters in the initials)?

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