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Subjects
Subtraction--Study and teaching (Elementary).
Mathematics--Study and teaching (Elementary).
Dice.
Manipulatives (Education)
Mathematical recreations.
Subtraction--Study and teaching (Elementary)--Software.
Mathematics--Study and teaching (Elementary)--Software.
Dice--Software.
Manipulatives (Education)--Software.
Mathematical recreations--Software.
Mathematics--Study and teaching (Elementary).
Dice.
Manipulatives (Education)
Mathematical recreations.
Subtraction--Study and teaching (Elementary)--Software.
Mathematics--Study and teaching (Elementary)--Software.
Dice--Software.
Manipulatives (Education)--Software.
Mathematical recreations--Software.
Language
English
Dimensions
28 cm. +