Number | Value1 | Value2 | Value3
1      |      3 |      5 |     4
3      |      5 |      2 |     6
2      |      1 |      3 |     2

{% for key in examplelist|keys %}
   {% set number = examplelist[key].number %}
{% endfor %}

{{examplelist[key].Value . number }}

{{examplelist[key].Value + number }}

{{examplelist[key].Value ~ number }}