Đề thi FMO mùa hè 2021 Khối 6 (Kèm đáp án)

 FMO – Grade 6 
 A. Warm-up (4 points per question / No points deducted for wrong answers) 
1. A rectangular piece of land is 27m long. The width is the length. They use of the 
 land’s area to plant flowers, of the land’s area for the walking path. The rest is used 
 to build a pond. Find the area of that pond. 
 2 2 2 2 2
 A) 270m B) 135m C) 490m D) 810m E) 630m 
2. A digital clock shows the time right now which is 20:30. After 20:30, 4 digits reappear 
 at 23:00 for the first time. How long will it be from now until those 4 digits appears for 
 the second time? 
 A) 150 min B) 233 min C) 242 min D) 360 min E) None of the above 
3. The students at Webster Middle School are raising money for after-school programs. 
 Which month did both grades raise the most money altogether? 
 A) June B) July C) August D) September E) October 
4. Gasoline costs 6 dollars per liter. A car uses up 8 liters for every 100 km. What is the 
 largest integral number of km that can be covered with 200 dollars worth of gasoline? 
 A) 416 B) 417 C) 418 D) 419 E) 420 
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 KỲ THI TOÁN HỌC HÈ FMO 2021 
 Bản quyền thuộc về Fermat Education – Nghiêm cấm sao chép khi chưa có sự đồng ý của Ban Tổ Chức 
 9. The total of each row and column is given as below. What is the value of ? 
 A) 13 B) 14 C) 15 D) 16 E) 17 
10. How many small squares are there in the 50th figure? 
 A) 150 B) 151 C) 152 D) 153 E) None of the above 
 C. Challenge (8 points per question / No points deducted for wrong answers) 
11. In a basket, there are 30 fruits with apples, bananas and mangoes. Grandma exchange 
 6 apples for 3 bananas. Then she exchange 2 bananas for 8 mangoes. Now there is the 
 same number of apples, bananas and mangoes in the basket. How many bananas 
 were there in the beginning? 
 A) 4 B) 5 C) 11 D) 10 E) 9 
12. Two cubes of side length 4dm and one cube of side length 8dm are put beside each 
 other as in figure below. Then they paint all the surface of the shape (except for the 
 bottom). Find the area of the painted region. 
 A) 400dm2 B) 512dm2 C) 496dm2 D) 416dm2 E) 384dm2 
 3 
 KỲ THI TOÁN HỌC HÈ FMO 2021 
 Bản quyền thuộc về Fermat Education – Nghiêm cấm sao chép khi chưa có sự đồng ý của Ban Tổ Chức