Harcourt math :  Unit / 
Harcourt, Inc. 
 - USA :  Harcourt School Publishers,  2004.-. 
 - Unit :  ill. ;  30 cm. 
<br/><br/> Unit 1, Includes (2004, Chapters 1-6, 94 p.)  Unit 2, Includes (2004, Chapters 7-10, 95-154 p.)  Unit 3, Includes (2004, Chapters 11-16, 155-238 p.)  Unit 4, Includes (2004, Chapters 17-20, 239-304 p.)  Unit 5, Includes (2004, Chapters 21-24, 305-366 p.)  Unit 6, Includes (2004, Chapters 25-30, 367-461 p.) 
<br/><br/><label>ISBN: </label>0-15-320746-9 (Grade Level Book) 0-15-322051-1 (Unit Book Collection) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching<br/>Mathematics