• AMI approved
  • Unequalled beauty
  • Precise control of error
  • Exact isolation of one quality
  • Perfect interrelations

Addition Working Charts

Addition Working Charts
Article number: 0142A0
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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.

Brand Nienhuis Montessori
Minimum age 5 years
Certification AMI approved