Shinglee New Syllabus Mathematics 2

Math book being the standard in international-curriculum schools in Jakarta and its surroundings. Good for exercise/supplementary book. This one is the 2nd chapter, regularly used at grade 7 (SMP kelas 2). Content is in English. Have answer key pages. Assembled by a team of Singaporean authors. Several pages contain scribbles, but not contaminating/blocking the content.