Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"teaching ofs matematicas" » "teaching pisa matematicas", "teaching de matematicas", "teaching en matematicas", "teaching of matematicas", "teaching tool matematicas", "teaching and matematicas"
"teaching la matematica" » "teaching de matematicas", "teaching en matematicas", "teaching y matematicas", "teaching of matematica", "teaching in matematica", "teaching to matematica"
"teaching las matematicas" » "teaching and matematicas", "teaching of matematicas", "teaching in matematicas", "teaching ofs matematicas", "teaching ins matematicas", "teaching tos matematicas"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("teaching la matematica") OR ((("teaching las matematicas") OR ("teaching ofs matematicas"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching la matematica\") OR (((\"teaching las matematicas\") OR (\"teaching ofs matematicas\"))))".
• Removing quotes may allow a broader search: (( teaching la matematica ) OR ((( teaching las matematicas ) OR ( teaching ofs matematicas )))).
• Adding a wildcard symbol may retrieve word variants: (("teaching la matematica") OR ((("teaching las matematicas") OR ("teaching ofs matematicas"))))*.