Singapore has been a world leader in math performance for over 15 years. Bring the world-class Singapore curriculum to your students with Math in Focus. Singapore's curriculum was one of the models used to create the Common Core State Standards. Math in Focus provides complete Common Core support for teachers and students. Math in Focus teaches concepts using a concrete-pictorial-abstract learning progression to anchor learning in real-world, hands-on experiences. Problem solving is at the heart of the Singapore math curriculum and is supported with a proven pedagogy and innovative technology, including the Singapore Math, Bar Models app for iPad. - Publisher.