Question

Subtract using a number line - 1-(-8)

Answer 1

-1 minus (-8) equals 7 (-1 - (-8) = 7)

Answer 2

The value of given expression is 7.

Explanation:

The given expression is

`-1-(-8)`

We need to find the value of given expression using

Two numbers are -1 and -8.

Plot these two numbers on the number line.

Now, start form -8 and jump up to -1 on the number line and count the jumps, then the number of jumps is the answer.

From below figure it is clear that the number of jumps between -8 and -1 is 7.

Therefore, the value of given expression is 7.