- AMI approved
- Unequalled beauty
- Precise control of error
- Exact isolation of one quality
- Perfect interrelations
Subtraction Working Charts
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Article number: 0142B0
Description
The Subtraction Working Charts aid the child in practice and memorization of the subtraction combinations. Includes a control chart, 2 working charts and a box of wooden answer chips.
Specifications
| Brand | Nienhuis Montessori |
|---|---|
| Minimum age | 3 years, 6 years |
| Certification | AMI approved |
