> For the complete documentation index, see [llms.txt](https://www.appinventor.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.appinventor.net/unit-1/activity-1.4.md).

# Activity 1.4

## Presentation

{% embed url="<https://docs.google.com/presentation/d/1_rU1c4yAeSatlqxaCsxJdDv50442KLRQ__tszffdZe8/edit?usp=sharing>" %}
Source: <https://docs.google.com/presentation/d/1_rU1c4yAeSatlqxaCsxJdDv50442KLRQ__tszffdZe8/edit?usp=sharing>
{% endembed %}

## Worksheet

{% embed url="<https://docs.google.com/document/d/1vxcvjMS88Km0KnjQvuhtbawF-ZAhpf-Tjt5kIQ5bPAE/edit?usp=sharing>" %}
Source: <https://docs.google.com/document/d/1vxcvjMS88Km0KnjQvuhtbawF-ZAhpf-Tjt5kIQ5bPAE/edit?usp=sharing>
{% endembed %}

## AIA File

{% embed url="<https://drive.google.com/file/d/1WmnTVj7SMsfuBMp4AIO8__bzCodiw2vW/view?usp=sharing>" %}
Source: <https://drive.google.com/file/d/1WmnTVj7SMsfuBMp4AIO8__bzCodiw2vW/view?usp=sharing>
{% endembed %}