Now Peter cuts a circle into parts by straight lines. At least how many straight lines are required to get 14 parts? Circle: Hình tròn; Parts: Phần; Straight lines: Đường thẳng; At least: Ít nhất.
HKIMO_K6-Đề thi 1 CKQG

Quiz
•
Mathematics
•
6th Grade
•
Hard
Talent Education
FREE Resource
25 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
2.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
Split 3, 12, 14, 26, and 91 into 2 groups of numbers such that the products of numbers in both groups are equal.
Find the sum of the numbers of the group that contains 14.
Split: Chia; Products: Tích; Equal: Bằng nhau; Sum: Tổng; Contains: Chứa.
3.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
There are some $1 and $2 coins. The number of $1 coins is 2 times of that of $2 coins.
The total value of coins is $100. Find the number of $1 coins.
2 times: Hai lần; Total value: Tổng giá trị.
4.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
John wrote a 3-digit number on a piece of paper and asked Peter to guess it.
Peter asked: “Is the number divisible by 21?”
John replied: “It is divisible by 21.”
Peter asked: “Is the number divisible by 9?”
John replied: “It is divisible by 9.”
Peter asked again: “Is it a square number?”
John said: “Yes, it is a square number.”
What is the number written by John?
3-digit number: Số có 3 chữ số; Divisible: Chia hết; Square number: Số chính phương.
5.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
A class has 40 students. 26 students join the badminton class, 25 students join the judo class and 20 students join the dance class.
Each student joins at least one class.
Given that 23 students join two classes. How many students join all three classes?
At least: Ít nhất.
6.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
7.
FILL IN THE BLANK QUESTION
3 mins • 4 pts
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