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Problem Slips: Addition Working Charts

Problem Slips: Addition Working Charts
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Color-coded unit addition combinations slips.
4 sets of color-coded unit addition combinations (equations) slips. 1 set of combinations for each of the 4 Addition Working Charts. Each set supplied in a separate plastic box.
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Article number
559524
Brand
Nienhuis Montessori
Minimum age
3 years, 5 years
Certification
AMI approved
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