Perros! Perros!/ Dogs! Dogs! by Ginger Foglesong Guy and illustrated by Sharon Glick
I made felt numbers 1-10 and printed out the words in English and Spanish. We went over the numbers and their names in both languages.
I printed out a picture of the Mexican flag onto white cardstock. The kiddos were given pieces of torn up tissue paper in green, red, and white. They glued them onto the flag and could color the symbol as well.