Question

Use a number line to represent the result and add the following integers:
(–1) + (–7)
[4 marks]

Answer 1

According to the question, we have to find the value of (-1) + (-7).

Now, (-1) + (-7) = -1 - 7
[1 mark]

To find -1 - 7, we will follow the given steps:

Step 1: Draw a number line.

Step 2: Start from -1 on the number line.

Step 3: Move 7 units to the left of -1 on the number line.

[2 marks]


From the above representation shown on the number line. We can conclude that the result of the given expression is -8.

Hence, (-1) + (-7) = (-8)
[1 mark]