Singapore Math - Primary Mathematics Mastery and Beyond 5A Sun Hat Reference1S19A409-4801

Reference1S19A409-4801

isophorone diamine/isophthalic acid/tromethamine copolymer

"Hercules and the Many-Headed Hydra"

material - high burst poly / synthetic air mesh

do not bleach

Singapore Math - Primary Mathematics Mastery and Beyond 5A Sun Hat Reference1S19A409-4801Mastery & Beyond is a distributed practice workbook. It provides practice of essential math concepts at select points to help students make connections. While the Additional Practice is for daily use, Mastery and Beyond is intended to be used at key points in a chapter after multiple lessons. Note: Two books (A and B) for each grade correspond to the two halves of the school year. Answer key in back of book. Soft cover.