Building fluency with addition and subtraction facts within 5 is an effective way to improve flexibility with numbers and improve number sense for first grade students. Increase your students' addition and subtraction fact fluency with these flashcards with addition and subtraction facts within 5. These cards can be printed 2-sided, laminated, and cut to create quick practice activities for your students. Have students time each other in centers, set up fluency grids, or use as a quick progress