Nelson Math Focus 5 - hardcover

Math in Focus: Singapore Math, Student Edition - Hardcover - GOOD

Math in Focus: Singapore Math: Student Edition - Hardcover - VERY GOOD

Math in Focus, Grade 1: The Singapore Approach - Hardcover - GOOD

Scott Foresman-Addison Wesley Math - Grade 5 - Hardcover - GOOD

Nelson Math Focus 5 by Small Marian Small Hope et al

Math in Focus: The Singapore Approach, Grade 4A - Hardcover - GOOD