Question

4. On a number line, when we subtract a negative integer, we
(a) move to the right
(b) move to the left
(c) do not move at all
(d) none of these​

Answer 1

Step-by-step explanation:

move towards right

eg

let any no. be 5 ok

now , subtracting a negative integer say -4

then it will be 5-(-4)

5+4

9

Answer 2

Given : On a number line  subtract a negative integer

To Find : Correct option

(a) move to the right

(b) move to the left

(c) do not move at all

(d) none of these​

Solution:

Numbers with a negative sign are less than zero

Right of zero represented by ‘+’ sign and to the left of zero represented by ‘–’ sign.  

+ sign numbers can be denoted as simply numbers  

On a number line the number increases as we move to the right and decreases as we move to the left.  

1 : Draw a line and mark some points at equal distance on it as shown in the figure below  Mark a point as zero on it. Points to the right of zero are positive integers and are marked simply 1, 2, 3  and so on , while points to the left of zero are negative integers and are marked – 1, – 2, – 3 and so on

On adding Positive integers we move  to the right

On adding negative  integers we move  to the left

On adding or subtracting Zero  we  do not move at all

On Subtracting  Positive integers we move  to the left

On Subtracting negative  integers we move  to the Right

Hence correct option is :  option a)

On a number line, when we subtract a negative integer, we move to the right

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