Describe how to find the sum p+q using a number line if p=−19 and q=12.1.

Answer 1

To find the sum p+q using a number line, start at the number -19 on the number line. Move to the right by 19 units to reach 0. Then, move further to the right by 12.1 units to arrive at the final sum.

Since p=-19, you would start at -19 on the number line.

To add 19, move to the right by 19 units from -19. This would bring you to 0.

Then, to add 12.1, move to the right again by 12.1 units from 0. This would bring you to the final sum.

So, on the number line, you would move from -19 to 0, and then from 0 to 12.1.