ORAL QUESTIONS
CLASS VII
Q1.
What are integers ?
Q2. When
we add a positive integer , to which side on the number line should we move?
Q3. When we add a negative integer , to which
side on the number line should we move?
Q4. When we subtract a positive integer , to
which side on the number line should we move?
Q5. When we subtract a negative integer , to
which side on the number line should we move?
Q6.
What will be the sum of two positive
integers . positive or negative ?
Q7.
What will be the sum of two
negative integers . positive or
negative?
Q8. How do we find the additive inverse of an integer?
Q9.
Are integers closed under addition?
Q10.
Are integers closed under subtraction ?
Q11.
Are integers closed under
multiplication?
Q12.
Are integers closed under division?
Q13.
Which integer is the additive identity?
Q14.
Which integer is the
multiplicative identity?
Q15.
Are integers commutative under addition?
ANSWERS:
1
|
Whole
numbers and their negatives
|
2
|
Right
side
|
3
|
Left side
|
4
|
Left side
|
5
|
Right
side
|
6
|
Positive
|
7
|
Negative
|
8
|
Same
numerical value with opposite sign
|
9
|
Yes
|
10
|
Yes
|
11
|
Yes
|
12
|
No, e.g.
division by zero is not defined
|
13
|
0
|
14
|
1
|
15
|
Yes
|
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