Rubric

Keep in mind that 25 students have already been assessed using this rubric. Changing it will affect their evaluations.
KS1 rubric
KS1 rubric
Criteria Ratings Pts
Exercise 1
threshold: pts
3 pts Full marks
2 pts 2 parts correct
1 pts 1 part correct
0 pts No marks
pts
3 pts
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Exercise 2
threshold: pts
3 pts Compute correct GCD + correct value for x and y
2 pts Compute correct GCD + correct value for x or y (but not both)
1 pts Only compute the correct GCD
0 pts No marks
pts
3 pts
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Exercise 3
threshold: pts
3 pts Full marks The student obtains full marks if the proof is correct and complete.
2 pts Almost correct proof This mark is achieved if the student proves that GCD(a,b) divides GCD(a,b-a) and the other way around, but does not conclude equality from these facts.
1 pts Half of the proof This mark is achieved if the student proves that GCD(a,b) divides GCD(a,b-a) or viceversa (but not both)
0 pts No marks
pts
3 pts
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