Complete activities in counting, matching, comparing quantities, predicting, sequencing, positioning, and recognizing patterns to develop essential numerical skills. Each self-correcting set includes 25 cards, designed for use with the Smart Tray® (available separately). These activities are multi-sensory, engaging, and adhere to a developmental progression. They are compatible with the Smart Tray® (sold separately). Contains 25 cards, complete with counting, matching, more than / less than, predicting, ordering, positioning and pattern recognition activities to develop key number skills Includes the use of visual patterns for implicit learning Self-correcting, multi-sensory and engaging Follows a developmental progressionWorks with the Smart Tray (sold separately)