Students should work independently (info) 

Students should proudly show their workings out near the question.

Students can ask for help with reading a word.

Students can write an answer, even if they are not sure it is correct

Students can write these codes to the teacher - if they want to tell the teacher something 

If the student could work out the answer if they were allowed a calculator - they can write down the sum they would do.

(info) independently means by yourself,