Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"teaching the mathematica" » "teaching de matematica", "teaching e matematica", "teaching con mathematica", "teaching to mathematica", "teaching tool mathematica", "teaching and mathematica"
"teaching of mathematics" » "teaching in mathematics", "teaching con mathematica", "teaching and mathematics"
"teaching de mathematica" » "teaching de matematica", "teaching de matematicas", "teaching e matematica", "teaching in mathematica", "teaching to mathematica", "teaching and mathematica"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"teaching of mathematics\") OR (((\"teaching the mathematica\") OR (\"teaching de mathematica\"))))~".
• Removing quotes may allow a broader search: (( teaching of mathematics ) OR ((( teaching the mathematica ) OR ( teaching de mathematica ))))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching of mathematics") OR ((("teaching the mathematica") OR ("teaching de mathematica"))))*.