Ôn tập Toán TIMO Khối 3 - Dạng 1: Tư duy Logic

 2021.10.26 | TIMO 3 
 LESSON 1. LOGICAL THINKING / TƯ DUY LOGIC 
 A. PATTERN PROBLEM / DẠNG TOÁN QUY LUẬT 
* Number pattern / Dãy số 
Exercise 1. According to the pattern shown below, what is the number in the blank? 
Pattern: Quy luật; Blank: chỗ trống. 
 38 、 35 、 30 、 23 、 14 、 __ 
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Exercise 2. According to the pattern below, find the next term in the sequence. 
Pattern: Quy luật; Next term: Số hạng tiếp theo; Sequence: Dãy số. 
 2 、5 、10 、17 、26 、37 、 
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Exercise 3. Refer to the number pattern below. Find the 7th term in the sequence. 
Pattern: Quy luật; 7th term: Số hạng thứ 7; Sequence: Dãy số. 
 1 、 4 、 9 、 16 、 __ 、. 
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* Table pattern / Quy luật bảng 
Exercise 4. What is the value of the number to represent “?” in the following table? 
Value: Giá trị; Represent: Biểu diễn; Table: Bảng. 
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 2021.10.26 | TIMO 3 
 B. AGE PROBLEM / DẠNG TOÁN TÍNH TUỔI 
Exercise 8. The age of Sam 9 years ago is equal to the age of Peter 3 years later. Given 
Sam is 30 years old now, how old is Peter now? 
Ago: Trước; Later: Sau; Equal: Bằng; Now: Hiện tại. 
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Exercise 9. Andy’s grandfather’s age this year minuses 2, is divided by 4, adds 7 and 
is multiplied by 5. The result will be 155 years old. How old is Andy’s grandfather this 
year? 
Minus: Trừ; Divide: Chia; Add: Cộng; Multiply: Nhân; Result: Kết quả. 
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 C. DATE PROBLEM / DẠNG TOÁN THỨ, NGÀY, THÁNG 
Exercise 10. Yesterday was Friday. Which day of the week was 38 days ago? 
Yesterday: Hôm qua; Friday: Thứ Sáu; Ago: Trước. 
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Exercise 11. 26th October, 2021 is Wednesday. Which day of the week will 29th 
December, 2021 be? 
October: Tháng Mười; Wednesday: Thứ Tư; December: Tháng Mười hai. 
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 HOMEWORK 
Exercise 12. According to the pattern shown below, what is the number in the blank? 
Pattern: Quy luật; The blank: Chỗ trống. 
 7 、 21 、 36 、 52 、 __ 
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Exercise 13. What is the value of the number to represent “?” in the following sequence? 
Value: Giá trị; Represent: Biểu diễn; Sequence: Dãy số. 
 2、3、5、9、17、33、? 、129、 
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Exercise 18. According to the pattern shown below, how many triangle(s) is / are there 
from the 1st to the 300th symbol counting from the left? 
Pattern: Quy luật; Triangles: Hình tam giác; Symbol: Hình; 
Counting from the left: Đếm từ phía bên trái. 
 ○ ○ △ ○ □ △ □ ○ ○ △ ○ □ △ □ 
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Exercise 19. According to the pattern shown below, how many triangle(s) is / are there 
from the 1st to the 67th figure counting from the left? 
Pattern: Quy luật; Triangles: Tam giác; Figure: Hình vẽ; Counting from the left: Tính từ phía 
bên trái. 
 ○ △ □ △ ○ △ □ △ ○ 
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Exercise 20. The age of Samuel 4 years ago is equal to the age of Joseph 5 years ago. 
Given Samuel is 32 years old now, how old is Joseph now? 
Ago: Trước; Equal: Bằng; Now: Hiện tại. 
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Exercise 21. Now, the sum of father’s and mother’s ages is 93. If the age of father 3 
years ago was the same as the age of mother 8 years later, how old is father now? 
Sum: Tổng; Ago: Trước; Later: Sau; The same as: Bằng với; Now: Hiện tại. 
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Exercise 22. Today is Saturday. Which day of the week was 101 days ago? 
Saturday: Thứ Bảy; Ago: Trước. 
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Exercise 23. It requires 12 minutes to cut a piece of wood into 5 sections. If the time 
required to cut into each section is the same, how many minutes are required to cut into 
23 sections? 
Require: Cần; Sections: Phần; The same: Giống nhau. 
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