The Pace Mental! Series of books is designed to reinforce the everyday need for precise and practical mathematical computations through repetition and mastering skills. The books use 'everyday language' rather than mathematical wording in describing tasks. There are 100 units, each with 20 problems. Assessment pages are provided for evaluation purposes. Skills included in the books are times tables, counting, regrouping, addition, subtraction, multiplication, division, problem solving, time and measurement.