Subtraction of Integers using a Number Line

Q. A submarine is 50 m below sea level. It goes down a further 280 m to sit on a rock. From the rock, it rises 110 m to the top of a coral. What is the depth of the coral below sea level?

1. - 220 m
2. - 110 m
3. - 440 m

Q. A submarine is 50 m below sea level. It goes down a further 280 m to sit on a rock. What is the depth of the rock below sea level?

1. - 330 m
2. - 50 m
3. - 280 m

Q.

Using the number line, write the integer which is

$3$ less than $-9$

Q. What is the value we get if we subtract $15$ from $13?$

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

Q. The value of $(-5)-4$ is

Q.

If we are at $8$ on number line, in which direction should we move to reach $-5$.

Q.

Which number comes before $9113$

Q. Find the value of $0-4$ using subtraction on a number line.

1. $0$
2. $4$
3. $-4$
4. 2

Q. What number must be subtracted from $3$ to obtain $-4$?

Q.

Add and subtract by counting forward or backward on the number line.

$2+5-4$

Q.
On the number line, if integers $A$ and $B$ are at equal distance from 0, then the value of $A+B$ is

1. 0
2. 2
3. -2

Q. Find the value of $2-7+3$ using subtraction on a number line.

1. $5$
2. $8$
3. $-5$
4. $-2$

Q. A detective went into an underground house in-search of a clue. He went down vertically by 30 inches and then moved up by 15 inches. Assuming the ground level as zero position, determine the detective's current position.

1. $15$ inches
2. $-15$ inches
3. $-45$ inches

Q. Maria's house is shown by a yellow circle and Martin's house is shown by a red circle in the figure given below containing a number line. How many steps and in which direction Maria needs to move to reach Martin's house?

1. $6$ steps towards left
2. $6$ steps towards right
3. $9$ steps towards left
4. $9$ steps towards right

Q. Paul's current position is shown by a yellow circle in the following figure containing a number line.


If Paul moves towards left by $5$ steps and then he moves towards right by $1$ step, at which number he would be situated on the number line?

1. $-1$
2. $-2$
3. $0$
4. $4$