Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"teaching and matematicas" » "teaching en matematicas", "teaching las matematicas", "teaching y matematicas"
"teaching of matematicas" » "teaching con matematicas", "teaching en matematicas", "teaching y matematicas"
"teaching de matematicas" » "teaching las matematicas", "teaching the matematicas", "teaching in matematicas", "teaching to 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 of matematicas") OR ("teaching de matematicas"))) OR ("teaching and matematicas"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"teaching of matematicas\") OR (\"teaching de matematicas\"))) OR (\"teaching and matematicas\"))*".
• Removing quotes may allow a broader search: (((( teaching of matematicas ) OR ( teaching de matematicas ))) OR ( teaching and matematicas ))*.