{% extends "global/Page.html" %} {{ block title }} Math Task{{ endblock }} {% block content %}
For this task, you will be presented with several matrices, with each matrix containing 9 numbers.
Your job is to click two numbers that add to 100. Once you click a number, the corresponding position will be displayed in blue. Click the blue position again to discard the number, and the corresponding position will return to white.
For example:

The correct answer for the above grid is 64 and 36.


In the next stage, you will have 1 minute of practice to get familiar with this task. The remaining time will be displayed in the upper right corner.
You can get $0.03 for each correct matrix, and no money will be deducted for wrong answers.
Please solve as many matrices as possible within the 1-minute working period. Click next if you are ready to start.

{% next_button %} {% endblock %}