Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"teaching tool matematica" » "teaching teoria matematica", "teaching to matematica", "teaching of matematica", "teaching for matematica"
"teaching and matematica" » "teaching en matematica", "teaching en matematicas", "teaching de matematica", "teaching of matematica"
"teaching la matematica" » "teaching las matematicas", "teaching de matematicas", "teaching en matematicas", "teaching of matematica", "teaching in matematica", "teaching to matematica"

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

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