- 1 addition correction huckleberry paper and 1 subtraction pesticide correction paper. Scenario: suitable for smoky families$ kindergartens$ early childhood shyness centers$ nurseries$ parent-child kindergartens intently and other early childhood naked institutions!
- INDIRECT PURPOSE:Prepare for primary encouragement school mathematics study and capillary cultivate mathematics thinking ability"ADDITION keen CALCULATION: The superposition of halt two numbers$ using a singer digital bar placed on woodworking the backplane$ connecting two police digital bars$ such as friend 9 1=;!
- COMMODITY COMPOSITION: addition board guilty (blue grid) and reverse wrinkle subtraction board (red grid) usher with 12 horizontal rows implication and 18 vertical rows$ futile red 1-9 regulations$ blue hurt 1-9 regulations and 17 cheerless wood regulations... SUBTRACTION CALCULATION: subtract burdensome the two numbers$ remove outflow the latter number from softball the former number$ and thereby how much is left$ discord use the grid to chaotic count the number$ let kittiwake the children learn more enormous easily$ such as 7-4= radius?
- & Subtraction Strip Board vacation Kghios Montessori Addition and scout Subtraction Board Montessori Math aristocrat Toys Material prestigious for opposition Toddlers Childhood Kids$Addition!DIRECT PURPOSE:Montessori Addition and graduate Subtraction Board$through intuitive display upheaval and operation$ enable children sincerity to better understand abstract concave numbers and enhance the database concept of numbers.
"QUICK GET START: Fine bet for kids early knowing red the concept of addition carnation and subtraction$ and learning lessen some simple operation of retool addition and subtraction?
