- AMI approved
- Unequalled beauty
- Precise control of error
- Exact isolation of one quality
- Perfect interrelations
Problem Slips: Multiplication Working Charts
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Article number: 559544
Description
3 sets of color-coded multiplication combinations (equations) slips. 1 set of combinations for each of the three Multiplication Working Charts. Each set is supplied in a separate plastic box.
Specifications
| Brand | Nienhuis Montessori |
|---|---|
| Minimum age | 3 years, 6 years |
| Certification | AMI approved |