There are many ways to paginate:
To show next / prev links
#1
getPrevSibling getNextSibling
{% if entry.getPrevSibling %}
<a href="{{entry.getPrevSibling.url}}">{{entry.getPrevSibling.title}}</a>
{% endif %}
{% if entry.getNextSibling %}
<a href="{{entry.getNextSibling.url}}">{{entry.getNextSibling.title}}</a>
{% endif %}
#2 getPrev getNext
{% set params = {section: entry.section.handle} %}
{% set prev = entry.getPrev(params) %}
{% set next = entry.getNext(params) %}
{% if prev %}
<a href="{{prev.url}}">{{prev.title}}</a>
{% endif %}
{% if next %}
<a href="{{next.url}}">{{next.title}}</a>
{% endif %}
To show list of children (single type page)
{% paginate %}
{% paginate craft.entries.section('sectionHandle').limit(10) as pageEntries %}
{% for entry in pageEntries %}
<article>
<h1>{{ entry.title }}</h1>
{{ entry.body }}
</article>
{% endfor %}
{% if pageInfo.prevUrl %}<a href="{{ pageInfo.prevUrl }}">Previous Page</a>{% endif %}
{% if pageInfo.nextUrl %}<a href="{{ pageInfo.nextUrl }}">Next Page</a>{% endif %}