Welcome to your GRADE 7 MATHEMATICS CHAPTER 1
After carefully reading the following 30 questions, choose the correct answer.
1.
What is the mathematical definition of a set?
2.
Which symbol is used to indicate that an object is an element of a set?
3.
If a collection is described as "the five most talented writers of Ethiopia," why is it NOT considered a set?
4.
What is a set called if it contains no elements?
5.
Which of the following sets is an infinite set?
6.
How many elements does the set B={1,2,4,1} contain?
7.
Two non-empty sets A and B are said to be equal if:
8.
What is the correct symbol used to represent an empty set?
9.
If N={2,4,6,8,10}, which statement is false?
10.
What are the individual objects in a set called?
11.
Which of the following represents the set of all vowels in the English alphabet?
12.
How is the statement "a is not an element of set A" written in mathematical notation?
13.
If A={p,q,r,s} and B={q,r,p,s}, what is the relationship between A and B?
14.
Which of these is a well-defined collection?
15.
A set which is empty or has a limited number of elements is called:
16.
What is the number of elements in the set A={0}?
17.
Which notation is used to enclose the members of a set?
18.
If there is no natural number less than 1, the set of natural numbers less than 1 is:
19.
In set notation, do we usually repeat the same element?
20.
Which letters are typically used to denote sets?
21.
Which of the following is an empty set?
22.
What does the term "well-defined" mean in the context of sets?
23.
If a set is not finite, it is called:
24.
Does the order of appearance of elements in a set matter?
25.
The set of whole numbers less than 4 contains which elements?
26.
Which symbol is used for the intersection of sets?
27.
Which symbol is used for the union of sets?
28.
What is the set of whole numbers less than 0?
29.
If A∩∅ is calculated for any set A, the result is:
30.
Small case letters are used to denote:
