Additive and Multiplicative Identity

Q.

Question 43

The additive inverse of -1 is ............

Q. The additive inverse of a negative integer

1. is always negative
2. zero
3. is always positive
4. is the same integer

Q. Which of the following statements are true:

(i) −13 > −8 − (−2)
(ii) −4 + (−2) < 2.
(iii) The negative of a negative integer is positive.
(iv) If a and b are two integers such that a > b, then a − b is always positive integer,
(v) The difference of two integers is an integer.
(vi) Additive inverse of a negative integer is negative.
(vii) Additive inverse of a positive integer is negative.
(viii) Additive inverse of a negative is positive.

Q. Which of the following illustrates the multiplicative identity?

1. 
   45 + 0 = 45
2. 
   15 x 2 = 30
3. 
   16 x 1 = 16
4. 
   5 x 0 = 0

Q.

_____ is the multiplicative identity of whole numbers while ____ is the additive identity of whole numbers.

1. $1,0$

2. $0,1$

3. $1,1$

4. $0,0$

Q.

Calculate: -10 + 4 - 5 + 2 .​
What will be the additive inverse of the resultant?​

1. -9
2. 14
3. 9
4. -6

Q.

Which is greater? Additive identity or multiplicative identity?

Q. If a is any whole number, then a + __ = a .

1. 
   a
2. 
   0
3. 
   -a
4. 
   2a

Q. I am not able to understand additive inverse questions . I can understand that the additive inverse of -7 is +7 . I am not able to understand where I am supposed to use additive inverse in questions .

Q.

Multiplicative identity is always true for

1. Whole numbers

2. Natural numbers only

3. Both for natural numbers and whole numbers

4. None of these

Q.

Multiplicative identity is always true for

1. whole numbers

2. natural numbers only

3. both for whole numbers and natural numbers

4. none of these

Q.

Additive inverse of -657 = ______

1. 657

2. 65

3. -65

4. -657

Q.

The additive inverse of -55 is ___.

Q. Find the additive inverse of:

(i) 5
(ii) −9
(iii)
(iv)
(v)
(vi)
(vii) 0
(viii)

Q.

Add $\left(20\right)+\left(6\right)$.

Q. Fill in the blanks:

(i) −7 + ...... = 0
(ii) 29 + ...... = 0
(iii) 132 + (−132) = ......
(iv) −14 + ....= 22
(v) −1256 + ..... = −742
(vi) ..... −1234 = −4539.

Q.

Find the following products.

$195\times 100\times 45$

Q.

When zero is added by any whole number, then result is ________

Q. Of the following, which is the number that when multiplied by 82, results in 82?

1. 82
2. 0
3. $\frac{1}{82}$
4. 1

Q. _____ is the smallest triangular number.

1. 2
2. 3
3. 6
4. 9

Q.

$123+\left(579+171\right)=\left(123+171\right)+579$

1. True
2. False

Q. What is the additive identity of 24?

1. 1
2. $\frac{1}{24}$
3. 0
4. 24

Q.

Complete the following using properties of integers.

$\left(-99\right)+\_\_\_\_\_=0$