Models for students what each number looks like from 1-15 pictorially and in word form. Help your students count correctly in English and Vietnamese. Print and use as mini-posters at your Math center. Send it home with parents to help them reinforce what you're teaching at school or simply as an extra learning tool. Cut out the cards and use it as a matching game at a Math station. For grades 3-5; use at a math station to have students practice writing numbers in both languages. They can work in pairs and check each other's work.