Matematica Senza Frontiere Junior ter – Competizione 2012-13
13-14 year old students Competition March 12, 2013
MARKING GUIDELINES
Ex. Expected Results Evaluation Criteria points
1 Lie Detector 7
The solution is correct, complete and written using a
comprehensible foreign language. 7
The solution is correct, written using a comprehensible
foreign language but limited to just one case. 3 Comprehension of the text, observation of the
drawing and written production in a foreign language.
The solution is correct but expressed in Italian or in fewer words than requested in the foreign language or not expressed in a comprehensible manner or the mathematical solution is incorrect.
0
2 Happy Floor 10
The solution is correct and precise. 10
Partial solution (2 points for each case) 6/4/2 Careful reading, knowledge of the properties
of angles of plane figures and good dexterity.
Wrong solution 0
3 Panoramix and the Magic Potion 5
The solution is correct and complete. 5
Modular arithmetic
Wrong solution 0
4 Triangles everywhere 7
The solution is correct and well- motivated. 7 The solution is correct but not motivated. 5 Triangle inequality
Wrong solution 0
5 The Fibonacci Tree 10
The solution is correct. 10
Careful reading of the text and numerical calculation.
Wrong solution 0
6 Refreshment Stands 7
The solution is correct, complete and tidy. 7 The solution is partial, limited to only one request. 3 Uniform distribution
Wrong solution 0
Matematica Senza Frontiere Junior ter – Competizione 2012-13
7 Sacred and Profane 10
The solution is correct, complete and motivated. 10
The solution is partial, but motivated, limited to only one
request. 8
Solution complete but not motivated. 4
Partial solution and not motivated, limited to only one
reques t. 1
Numerical calculation Least common multiple
Wrong solution 0
8 Factory Logo 5
The solution is correct and precise. 5
Geometric properties,
Relationship between surfaces
Wrong solution 0
9 Dinner at AnnaMaria’s 10
The solution is correct and motivated. 10 The solution is correct but not motivated. 5
The solution is correct but limited to only half of the
possibilities. 3
Elaborating Data
Wrong solution 0
10 Covering with the Bishop 7
The solution is correct, complete and motivated. 7 The solution is complete but not motivated. 5
The solution is partial but motivated, limited to only one
request. 3
The solution is partial and not motivated, limited to only
one request. 1
Application of logical perceptual skills Intuition
Wrong solution 0
Additional Information
This marks assigned have taken into consideration : the level of difficulty of the exercise
the degree of formalization requested
the degree of practicality/manual skills expressed the request of an explanation/motivation
the creativity expressed
the care demonstrated in responding
All of the above elements are taken into consideration in order to valorize each class in its skills
