Skills and Activities 3rd Grade Mathematics / 3ero Matemáticas Great for Mathematics Practice for whole groups, warm-up, stations, intervention groups or individual work. Just print on card stock or construction paper then laminate for durability. 143 Pages with practice 1-27 Concepts below, pictures, instructions, directions, cover, for your Mathematics/ Spanish class. 1. Number Patterns 2. Fractions 3. Metric system in inches and centimeters 4. Greater than, equal to, and less than and symbol