Michelle Stephan, Didem Akyuz, A Proposed Instructional Theory for Integer Addition and Subtraction, Journal for Research in Mathematics Education, Vol. 43, No. 4 (July 2012), pp. 428-464 ...

To illuminate the cross-national similarities and differences in expectations related to students' mathematics experiences between the United States and China, I compared all relevant problems that ...

Chapter 1 (Integers) of Class 7 Maths NCERT Book (PDF) is available here for download in PDF format. Download and prepare for CBSE Class 7 Maths exam.