Answer:
sum of –1 + (–3) = -4.
Step-by-step explanation:
Given : Indira is using a number line to add –1 + (–3). She begins by showing –1 on the number line, as shown below.
To find : What is the sum of –1 + (–3).
Solution : We have given
Indira is using a number line to add –1 + (–3).
When she start from -1 , she will jump to left by 3 unit ( left side for -3 ).
Form -1 she go to -2 then -3 then -4.
She will reach at -4 on number line.
So, the sum of –1 + (–3) = -4.
Therefore , sum of –1 + (–3) = -4.