Use recipes from other countries in your unit on fractions, ratio and proportion.
Begin a collection of pictures of architecture and artifacts from other cultures and use it enrich your lessons on symmetry.
Use maps from different countries to teach about distance, scale drawings and proportion.
When you teach algorithms such as the division algorithm, let your students know and show them that other cultures have different ways of dividing, different ways for finding the least common denominator, different ways of representing numerals.
Use the World Almanac as a resource for percent problems, graphs, and statistical information.
Use games from different cultures.
Try to incorporate how other cultures view geometry and use mathematics in their everyday life.
Include the history of math in your teaching and include mathematicians and scientists that are African American, Hispanic, or Native American.
Don't forget to include women mathematicians and their contributions to mathematics.
Look for guest speakers from different cultures that can serve as role models in your classroom.
Continue to encourage everyone to pursue mathematics. It is not a field for the chosen few. Don't perpetuate the myth that you are only good in math if you are born with it. Respect and encourage EVERY child.