No preparation necessary - use these clarifying bookmarks in English AND Spanish with your students to help them remember the vocabulary and rules of rounding! Bookmark includes - Rounding synonyms (about, estimate, approximately), the definition of rounding, the 'about' symbol (≈) , Place Value Chart with example, and examples of rounding to the nearest 10 and nearest 100 with number lines. 5 copies on each page for easy printing.