Math in Focus: Singapore Math Intermediate Virtual Manipulatives CD Grades 3-5 Math in Focus®: Singapore Math® by Marshall Cavendish® Homeschool Provides an easy-to-use alternative to traditional manipulatives. (Math in Focus is also compatible with the physical manipulatives that are available for other math programs.) Grades: 3-5 Material Type: Resource Materials Format: CD, 2 Pages ISBN-13/EAN: 9780547264417 ISBN-10: 0547264410 Product Code: 1409167 National/State: National Copyright Year: 2010