Arithmetic textbook for a deep understanding of the properties of integers and decimals. - Title: Lecture: New Developments in Arithmetic Lessons, 5th Grade - Contents: Properties of integers, numbers and decimals, multiplication and division of decimals, addition and subtraction, regular polygons and congruence of figures using circles, angles of figures, area, relationship of circles, ratio, percentage, pie charts, problems to deepen thinking skills - ISBN: 978-4-19-103492-2 - Grade Level: 5th Grade - Publisher: Revised New Edition Thank you for viewing. Please consider this item with the understanding that it has been stored at home. If you would like to purchase with other items, please comment! We will try to accommodate combined discounts as much as possible.