Mathematical
This 2-compartment box with lid contains plastic chips, 1 set with equations printed on them and 1 set with the answers to be used with the Addition Working Charts. All the equations and sums for the addends 1–9 are included.
This 2-compartment box with lid contains plastic chips, 1 set with equations printed on them and 1 set with the answers to be used with the Addition Working Charts. All the equations and sums for the addends 1–9 are included.