View Rock N Learn Addition And Subtraction Rock Background. The first songs teach the concepts of adding or subtracting by showing fun, manipulative objects. Addition & subtraction rock book.
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Addition and subtraction are included here: Prime members enjoy free delivery on millions of eligible domestic and international items, in addition to exclusive access to movies, tv shows, and more. Learners of all ages at home or in the classroom will. Read reviews from world's largest community for readers.