Question

Subtract the following with the help of the number line: (-5) - (-4).

Answer 1

Hint: Subtraction of numbers using a number line will help us to learn how a number line can be used for subtracting one number from the other number. Subtraction of numbers can be well understood with the help of the number line. The rules for the movements on the number line to subtract a given number from another number is as follows: (i) Mark both the given numbers on the same number line, each starting from zero. (ii) From the second number, that is the one which is to be subtracted, find how many steps are needed to reach the position of the first number.

Complete step by step answer:
According to our question we have to find the subtraction of (-5) - (-4).

First mark the positions of numbers -5 and -4 on the number line. Now count the steps that are needed from the position of -4 to reach the position of -5. We find it as 1 step to the left.
Therefore, (-5) - (-4) = -1
We have to count the steps from one number to another number and then we see the direction of the moving to reach the other number from the first number. So, here we have found the subtraction of (-5) - (-4) using the number line and the answer is -1 for this question.

Note:If the number of steps moved is towards the right, then the answer of the subtraction or addition is a positive number. But if the number of steps moved towards the left, the answer of the addition or subtraction is a negative number.