- AMI approved
- Unequalled beauty
- Precise control of error
- Exact isolation of one quality
- Perfect interrelations
Addition Working Charts
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Article number: 0142A0
Description
The Addition Working Charts aid the child in the practice and memorization of the unit addition combinations. Includes 2 control charts, 4 working charts and 1 box of wooden answer chips.
Specifications
| Brand | Nienhuis Montessori |
|---|---|
| Minimum age | 5 years |
| Certification | AMI approved |
