Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"teaching and mathematics" » "teaching in mathematics", "teaching of mathematics"
"teaching de mathematica" » "teaching de matematica", "teaching de matematicas", "teaching e matematica", "teaching the mathematica", "teaching of mathematica", "teaching in mathematica"
"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 de mathematica") OR ("teaching and mathematics"))) OR ("teaching la matematica"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"teaching de mathematica\") OR (\"teaching and mathematics\"))) OR (\"teaching la matematica\"))".
• Removing quotes may allow a broader search: (((( teaching de mathematica ) OR ( teaching and mathematics ))) OR ( teaching la matematica )).
• Adding a wildcard symbol may retrieve word variants: (((("teaching de mathematica") OR ("teaching and mathematics"))) OR ("teaching la matematica"))*.