#### Answer

5

#### Work Step by Step

Using a number line can help you visualize the concept of addition.
To find $1+4$ on the number line, start at 1 and move 4 units to the right.
$1+4=5$

Published by
Prentice Hall

ISBN 10:
0133500403

ISBN 13:
978-0-13350-040-0

5

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.