How do i add a question to create more fields if needed?

I’m trying to build a school lunch order form.  If the parent has more than one child, I want them to be able to add more children’s order but I don’t want the parents who only have 1 child to have to scroll through mulpile order forms.

We have some widgets that you can use for this purpose, please check them: 

1) Configurable List: https://widgets.jotform.com/widget/configurable_list 

Here is how to set it up: https://www.jotform.com/help/282-How-to-Set-Up-the-Configurable-List-Widget 

2) Field Multiplier: https://widgets.jotform.com/app/field_multiplier 

3) Dynamic Textbox: https://widgets.jotform.com/app/dynamic_textbox 

4) Matrix Dynamic: https://widgets.jotform.com/widget/matrix_dynamique