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Re:Stepping into math: Open-sourcing our step-by-step solver by Ntrails on Friday January 20, 2017 @05:28AM (#13442773)
>I agree, but testing for understanding is more time consuming, complex, and difficult than just testing for correct answers.

You get 1 mark for the right answer and 2 marks for working. Problem solved. The question doesn't have to change at all. This is how I remember mark schemes working in the general case

Re:Stepping into math: Open-sourcing our step-by-step solver by webmaven on Tuesday January 24, 2017 @05:29AM (#13470225)
> You get 1 mark for the right answer and 2 marks for working.

I'm not sure I get what you mean by "working". Can you expand that a bit?