Montessori Decimal Checkerboard: Decimal × Whole Number Presentation includes following contents: Decimal × Whole (1-digit multiplier)Decimal × Whole (2-digit multiplier)Decimal × Whole (3-digit multiplier)Workbook Information: Workbook is available at: https://www.teacherspayteachers.com/Product/Montessori-Decimal-Checkerboard-Decimal-Whole-Number-Workbook-9322611This video has NO SOUND. A teacher should explain the contents of this video just like as to give the Montessori presentation to chi