Welcome to your GRADE 7 MATHEMATICS CHAPTER 2
After carefully reading the following 30 questions, choose the correct answer.
1.
The set of integers is denoted by which symbol?
2.
Which of the following is the set of integers?
3.
What is the opposite of the integer 12?
4.
What is the opposite of 0?
5.
For any integer a, what is the value of −(−a)?
6.
Subtracting an integer b from a is the same as:
7.
What is the result of 5−(−2)?
8.
What is the product of any integer and zero?
9.
The product of a positive and a negative integer is always:
10.
What is the opposite of a gain of Birr 120?
11.
Which set consists of natural numbers, zero, and the negatives of natural numbers?
12.
Find the difference: −21−12.
13.
The opposite of a negative number is:
14.
What is the result of 4−7?
15.
In the set of integers, Z+=N represents:
16.
If a×b=b×a, which property of multiplication is being shown?
17.
What is the opposite of 150∘C above zero?
18.
Find the value of 25−(−30).
19.
For any two integers a and b, −a−b is equal to:
20.
The melting point of dry ice is −109∘F and the boiling point is 109∘F. How many degrees is the boiling point above the melting point?
21.
Which statement is true regarding integers and whole numbers?
22.
What is the product of 2×5?
23.
If you add a certain number to x and it gives x itself, what is the number?
24.
What is the result of −12−(−18)?
25.
The product of 4×(−6) is:
26.
Which of the following is the opposite of −564?
27.
Find the sum: −55+20.
28.
The set of whole numbers is denoted by:
29.
What is the result of 0−3?
30.
The opposite of a walk of 5 km backward is:
