These thoughtfully crafted problem slips offer a structured way for children to practice addition skills. Organized into four boxes, they provide a progressive learning experience, encouraging focus, accuracy, and a deeper understanding of mathematical concepts. Ideal for Montessori classrooms or at-home learning. This Montessori-inspired tool fosters independent problem-solving, reinforces mathematical fluency, and builds confidence in handling numbers through repetition and active engagement. "Made of plastic, paper"