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The Subtraction Working Charts aid the child in practice and memorization of the subtraction combinations. Includes a control chart, two working charts and a box of wooden answer chips.
• Dimensions:
- Control Chart: 58.5 x 19 cm
- Each Working Chart: 23.5 x 16.5 cm
• Recommended Ages: 5.5 years and up
Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
US$40
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