Math fact mastery is not a skill that can be mastered in one setting or session. Students need repetitive practice opportunities to build muscle memory of their math facts. Our workbook, in conjunction with the paired digit card exercises will get your learner to mastery in no time. Students need to build fluidity in their number sense so that they can apply that mastery in their grade level arithemetic. This workbook reinforces addition, subtraction, multiplication, and division facts that students must master to be successful in secondary mathematics.