Đề thi FMO mùa hè 2020 Khối 4 (Kèm đáp án)

 FERMAT Mathematical Olympiad 
 Summer 2020 
 Sample Test 
 Final Round 
 Primary 4 
 Time allowed: 90 minutes 
 Instructions to Contestants: 
1. Each contestant should have ONE Question Book which CANNOT be taken away. 
2. There are 3 sections in this exam. Section A consists of 10 questions. Each carries 4 
 marks. Section B consists of 10 questions. Each carries 5 marks. Section C consists of 5 
 questions. Each carries 7 marks. The total number of questions is 25. Total score is 125 
 marks. No points are deducted for incorrect answers or empty answers. 
3. NO calculators can be used during the contest. All figures in the paper are not necessarily 
 drawn to scale. 
4. This Question Book will be collected at the end of the contest. 
 THIS Question Book CANNOT BE TAKEN AWAY. 
 DO NOT turn over this Question Book without approval of the examiner. 
 Otherwise, contestant may be DISQUALIFIED. 
KỲ THI OLYMPIC TOÁN HỌC HÈ - FMO 2020 
Đơn vị tổ chức: Công ty CP Giáo dục FERMAT 
Email: FMO2020.fe@gmail.com Facebook: https://www.facebook.com/FMathO2020 
 Nick. Now how much does Fun give Nick such that they have the same amount of money? 
15) As the figure     , what is the 70th figure? 
16) 6 ships can carry 180 passengers for 3 times. How many times do 9 ships for 270 
 passengers? 
17) Father is now dividing 135 gold medals to elder brother and younger brother. The number 
of gold medals of elder brother’s is 4 times as that of younger brother’s. How many gold 
medals does elder brother get? 
18) It takes 6 minutes to cut a metal rod for 1 time. Now cut a 35-m metal rod into 5-m metal 
 rod. How many minutes are needed? 
19) Operation symbol 「 」to get the following result: 
 1 3 1 2 3
 2 4 2 3 4
 3 6 3 4 5 6 
Find the value of (1 40)  (2  38) . 
20) How many triangles are there below? 
 Question 20 
 Section C: 21st to 25th Question (Each carries 7 marks) 
21) Nick and Amy practise computer typing. Nick can type 45 words per minute and Amy can 
 type 65 words every 2 minutes. After practice half hour, how many words does Nick type 
 more than Amy? 
22) It is known that the lengths of the rectangle are integers. Now use a 100cm rope to form a 
 rectangle. What is the largest area in cm2 ? 
23) Class 3A is now divided into different groups to do group project. If 4 students are in a 
KỲ THI OLYMPIC TOÁN HỌC HÈ - FMO 2020 
Đơn vị tổ chức: Công ty CP Giáo dục FERMAT 
Email: FMO2020.fe@gmail.com Facebook: https://www.facebook.com/FMathO2020