This video addresses Common Core Grade 3 Standard Operations & Algebraic Thinking. WSKG is here to help you help your child understand the basic concepts of the common core curriculum with our Good To ...

Segue Institute for Learning teacher Cassandra Santiago introduces a lesson on word problems to her first graders one spring afternoon. Credit: Phillip Keith for The Hechinger Report The Hechinger ...

Educational Studies in Mathematics, Vol. 81, No. 1 (September 2012), pp. 47-65 (19 pages) The present study aims to investigate the effects of a design experiment developed for third-grade students in ...