- AMI approved
- Unequalled beauty
- Precise control of error
- Exact isolation of one quality
- Perfect interrelations
Subtraction Equations And Differences Box
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Article number: 014700
Description
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.
Specifications
| Brand | Nienhuis Montessori |
|---|---|
| Minimum age | 3 years, 6 years |
| Certification | AMI approved |
