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 Subtraction Working Charts. All the equations and differences for the subtraction combinations 1–18 are included.
Data sheet
- Tranche d'âge
- 3-6 ans
6-12 ans
- Longueur
- 22 cm
- Largeur
- 10 cm
- Hauteur
- 5 cm
- Poids
- 580 g