Subtraction of Integers

Q.

Determine the integer whose product with $(-1)$ is

$-22$

Q.

The difference between the predecessor and successor of a number is

1. 5

2. zero

3. 1

4. 2

Q.

At Srinagar temperature was $-5°C$ on Monday and then it dropped by $2°C$ on Tuesday. What was the temperature of Srinagar on Tuesday? On Wednesday, it rose by$4°C$. What was the temperature on this day?

Q.

$\mathrm{p}$ and $\mathrm{q}$ are integers such that $\mathrm{p}$ is the predecessor of $\mathrm{q}$. Find the value of $\mathrm{p}-\mathrm{q}$.

Q.

An elevator descends into a mine shaft at the rate of 15m/min. If the descend starts from 10 m above the ground level, how long will it take to reach -140m.

1. 18 minutes

2. 10 minutes

3. 38 minutes

4. 8 minutes

Q.

Determine the integer whose product with $(-1)$ is

$58$

Q. Write the expression for the following using brackets.
Nine multiplied by the sum of two and five

1. (9 x 5) + 2
2. (9 x 2) + 5
3. 9 x (2 - 5)
4. 9 x (2 + 5)

Q.

Question 2 (b)

Fill in the blanks with >, < or = sign:

(–21) – (–10) ___ (–31) + (–11)

Q.

Question 83

Subtract -5308 from the sum [(-2100) +(-2001)].

Q.

}$A=\left\{x:x\ne x\right\}$ represents

1. $\left\{0\right\}$

2. $\left\{\right\}$

3. $\left\{1\right\}$

4. $\left\{x\right]$

Q.

Predecessor of a negative number -2 is -3.True or false

Q.

Question 12

The successor of, the predecessor of -50 is

(a) -48

(b) -49

(c) -50

(d) -51

Q. Find the value of $(-7)-(-9)$ using number line.

Q.

Question 1 (e)

Find:

23 – (–12)

Q.

Question 4 (a)

Find:

(–7) – 8 – (–25)

Q.

Tell whether the difference between the two integers is always, sometimes, or never positive:
a positive integer and a negative integer

Q.

Question 47

Find the missing number.
___ + (-11) +111 = 130

Q.

Question 2 (c)

Fill in the blanks with >, < or = sign:

45 – (–11) ___ 57 + (–4)

Q.

Question 2 (a)

Fill in the blanks with >, < or = sign:

(–3) + (–6) ___ (–3) – (–6)

Q.

Subtract and check the result by corresponding addition.

$85659-38926$

Q.

Find the sum of: (-10), 92, 84 and (-15).

Q.

Question 4 (d)

Find:

50 – (–40) – (–2)

Q.

If $a=256$ and $b=175$, show that $a-b\ne b-a$

Q.

The value of expression 4y + 12 at y = 1 is:

1. 16

2. 12

3. 18

4. 15

Q.

$(-8)-7-(+6)-5-(-4)-3-2-(-1)-0=$

Q. Compute the value of the following expression: -50 + (-60) + 50

1. -60
2. 60
3. -50
4. 50

Q.

What is the meaning of -6 if +2 means two blocks north?

Q. Which of the following shows the maximum rise in temperature?

1. $0^{\circ }$C to ${10}^{\circ }$C
2. $-4^{\circ }$C to $8^{\circ }$C
3. $-{15}^{\circ }$C to $-8^{\circ }$C
4. $-7^{\circ }$C to $0^{\circ }$C

Q.

Find the value of -9-(-10) using the number line:

1. -1

2. -2

3. +1

4. +2

Q.

Question 1 (i)

Simplify combining like terms:

21b - 32 + 7b - 20b