Addition of Two Integers

Q. Find the sum of:
(i) 120 and $-274$
(ii) $-68$ and 28

Q.

Find: $-31-(-50)$

Q. Find the number of dots in the ${25}^{th}$ pattern.


(2 marks)

Q.

Find the addition of the following without using a number line: (b) (-13) + (+10).

Q.

Find the solution of the following addition without using number line: (iii) (-5) + (+15).

Q.

Indicate as an integer with appropriate signs:.

$5$ steps backwards.

Q. In a marbles game, Noah wins $15$ marbles in the first round, but in the next round, she loses $8$ marbles. How many marbles Noah has finally ?

1. $23$
2. $-7$
3. $7$
4. None of the above

Q.

Find the solution of following addition without using number line: (d) (+10) + (-5).

Q. What is the value of $11+(-6)?$

1. $5$
2. $-5$
3. $17$
4. $-17$

Q.

Find the sum of (d)$-50,-200$ and $300$.

Q. What is the sum of integers $(5+9)?$

1. $11$
2. $12$
3. $13$
4. $14$

Q.

Represent decrease of $10$ as integer with appropriate sign.

Q. The value of $(-5)+(-9)$ is

1. $-14$
2. $4$
3. $-4$
4. 14

Q.

Represent the following number as integer with appropriate sign.

A deposit of rupees two hundred. $?$

Q.

Find the value of $\left(-23\right)-\left(-25\right)$

Q. To convert a subtraction operation into an addition operation, reverse the sign of the second integer, and then add it to the first integer.

1. False
2. True

Q.

Find the following:

$\left|9\right|-\left|0\right|$

Q. The value of $(-23)+\left(14\right)+(-17)$ is

1. $-26$
2. $26$
3. $8$

Q.

Find the value of $-38-(-8)-(-10)+(-5)$.

Q. The value of $11+(-6)$ is

1. $17$
2. $-5$
3. $5$
4. $-17$

Q.

If $∆$ is an operation such that $\mathrm{a}∆\mathrm{b}=\mathrm{a}+\mathrm{b}+\left(-2\right)$, then find $\left(-3\right)∆\left(-4\right)$

Q.

Find the Value of :

$\left|-18\right|-\left|-22\right|$

Q.

Find: $-13+32-8-1$

Q.

Fill in the blank with $>$, $<$ or $=$:

$(-4)+(-9)$ ______ $(-6)-(-8)$

Q. If $-9+(-10)=x$, then the value of $x$ is

1. $>0$
2. $<0$
3. $=0$

Q. The addition of two negative integers results in a negative value.

1. True
2. False

Q.

Add the following.

$(-120)+(-269)$

Q.

Add without using the number line:

$\left(11\right)+(-7)$

Q. What is the value of $(-23)+\left(14\right)+(-17)?$

1. $26$
2. $-26$
3. $8$
4. None of the above

Q.

Fill in the blank with $>$, $<$ or $=$:

$(-21)-(-10)$ ______ $(-31)+(-11)$