This book is intended to strengthen the knowledge of numbers 0-10, using the Montessori Maths materials. If you have access to the Montessori materials, you can use them alongside, as an extension afterwards, or as a re-cap after a holiday. If you do not have access to the materials, you can use the book as you would any number book, it will still highlight the number and quantity knowledge. The Montessori materials used for this book are The Sandpaper numbers, The Number Rods, The Short Bead St