10 minutes – create, in a graphic editor, an object then map the object so that it meets these properties
a) No fixed points and it is not congruent mapping
b) No fixed points and it is congruent mapping
c) One fixed point and it is not congruent mapping
d) One fixed point and it is congruent mapping

Students see the picture and the Spanish word, they have to click on the respective fruit. The fruits names appear only in Spanish. The first is fresa (strawberry). When they click on the right fruit the next Spanish word appears

“Let’s continue with the mysteries theme. I have some riddles for you.” The class is now divided into groups of 4-5 students, riddles are presented to the class one by one. Each group has to discuss the riddle in English and then the first group to find out what the answer is gets 1 point. If the riddle is too difficult for the students, the teacher gives hints. The winning group receives some present- something little, connected with the topic.

http://prezi.com/byqtlnjalu8o/characters-strings-functions/

Operational objectives:
Students must be able to:
O1: define a binary indexed tree
O2: identify a binary indexed tree
O3: correctly use theoretical concepts learned
O4: acquire algorithms for different
operations (both modification and query)
O5: correctly analyze each problem and to write the properly program/sub-program