Đề luyện thi vòng chung kết quốc gia Toán TIMO

Nội dung text: Đề luyện thi vòng chung kết quốc gia Toán TIMO

1. Chung kết Quốc gia ĐỀ 1 - Lần 2 Logical Thinking / Tư duy lô-gic 1. Edward is 18 years old now and Kenny will be 6 years old 4 years later. What is the difference between their ages? Now : Hiện tại. Later: Sau; Difference: Hiệu. Age Tuổi. 2. According to the pattern shown below, what is the English letter in the space (‚__‛) Pattern: Quy luật; English letter: Chữ cái Tiếng Anh; Space: Chỗ trống 3. If tomorrow will be Thursday, which day of the week will 11 days later be? Tomorrow: Ngày mai; Thursday: Thứ Năm Day of the week Thứ ater Sau. 4. According to the pattern below, what is the number in the space? 4, 12, 20, 28, 36, __ Pattern: Quy luật; Space: Chỗ trống. 5. From the pattern below, how many ＃ is / are there in the 5th Group?
2. 5 2 - B = 4 3 9. Find the value of 4 + 4 + 4 + 4 + 4 + 4 – 6 – 6 – 6. Value: Giá trị. 10. Find the value of 14 – 26 + 38. Value: Giá trị. Number Theory / Lý thuyết số 11. A large package contains 8 eggs. A small package contains 3 eggs. Buying both large package and small package will attach 1 extra egg every time. If Mary buys 3 large and 5 small packages, how many egg(s) does she have? Contain: Chứa. Both :Tất cả . Attach 1 extra egg : Tặng kèm 1 quả trứng. 12. The numbers below follow the arithmetic sequence, what is the 11th number? Arithmetic sequence: Dãy số cách đều; 11th number: Số thứ 11. 118, 113, 108, 103, 98, 13. It is known that A is an odd number. Determine the result below is an odd or even number. Odd number: Số lẻ; Even number: Số chẵn Determine : Xác định. (A – 2) + (A – 1) + A + (A + 1) + (A + 2)
3. 18. How many side(s) is / are there in the polygon below? Side: Cạnh. Polygon: Hình đa giác. 19. According to the pattern below, what is the figure in the space (‚___‛)? Pattern: Quy luật; Figure: Hình vẽ; Space: Chỗ trống. □ ○ ○ △ □ ○ ○ △ □ ○ ___ △ 20. How many line segment(s) is / are there in the figure below? ine segments : Đoạn thẳng; Figure Hình vẽ. Combinatorics / Tổ hợp