The Great Pet Sale – addition of three numbers montessorisoul 5 years ago Free printable download to support addition of three numbers using the book The Great Pet Sale. Share this: The Great Pet Sale – Simple additionDateSeptember 15, 2019In relation toSimilar postThe Great Pet Sale – addition problem solvingDateSeptember 15, 2019In relation toSimilar postThe Great Pet Sale – calculating change from 5pDateSeptember 15, 2019In relation toSimilar post