Đề thi FMO Khối 3 - Đề 10 (Kèm đáp án)

 FMO – Grade 3 
 A. Warm-up (4 points per question / No points deducted for wrong answers) 
1. Given 4 figures below, which figure should come next? 
 A) B) C) D) E) 
2. How many triangles are there in the picture? 
 A) 3 B) 4 C) 5 D) 6 E) 7 
3. What is the number in the circle? 
 A) 5 B) 4 C) 3 D) 2 E) 1 
4. Timmy has a strip of paper with two holes (picture below). After folding the 
 strip of paper in half, Timmy can see 3 letters. Which letters CANNOT be seen? 
 A) A and C B) C and E C) B and D D) A and D E) B and E 
 1 
 FERMAT Mathematical Olympiad Summer 2021 
 All materials on the test are copyrighted and owned by Fermat Education 
8. The table shows the number of pumpkins harvested by five farmers in the fall 
 season. Who harvested 180 pumpkins? 
 A) Danny B) Jacob C) Ray D) Edwin E) Alex 
9. David walks forward along the road from start to finish and writes down all the 
 colors he can see on his left-hand side. Which color is NOT be written? 
 A) Green B) Blue C) Black D) Red E) Yellow 
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 FERMAT Mathematical Olympiad Summer 2021 
 All materials on the test are copyrighted and owned by Fermat Education 
 E) None of the above 
13. Jennie stacks bricks to get a tower. If she makes a 4-level tower, she will 
 need 10 bricks. If she makes a 5-level tower, she will need 15 bricks. How 
 many bricks will she need if she makes a 10-level tower? 
 A) 35 B) 40 C) 45 D) 50 E) 55 
14. There are 4 friends including Jane, Josh, Jack and Jill. They bought 9 different 
 shirts listed in the table below. Jane bought 2 shirts with the same price. Josh 
 bought the top three cheapest items. Jack had to pay 50 USD for all of his 
 shirts. Find the color and the size of Jill’s shirt. 
 A) White - L B) Grey - M C) Black - S D) Black - M E) Grey - L 
15. Jack made a domino snake of eight tiles. He put the tiles next to each other 
 so that the sides with the same number of dots were touching (Note that the 
 number of dots can only be from 0 to 6). Originally the snake had 50 dots on 
 its back but some tiles are missing. Can you find the total number of dots in 
 the place of question marks? 
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FERMAT Mathematical Olympiad Summer 2021 
All materials on the test are copyrighted and owned by Fermat Education