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INTRODUCTION
References
Cuevas, Gilbert, & Karol Yeatts. (2001). Navigating through algebra in grades 3–5.Reston, VA:
National Council of Teachers of Mathematics.
Greenes, Carole, & Carol Findell. (Eds.). (2005). Developing students’ algebraic reasoning abilities.
(Vol. 3 in the NCSM Monograph Series.) Boston, MA: Houghton Mifflin.
Greenes, Carole, & Carol Findell. (2005). Groundworks: Algebraic thinking.Chicago: Wright
Group/McGraw Hill.
Moses, Barbara (Ed.). (1999). Algebraic thinking, grades K–12: Readings from NCTM’s school-based
journals and other publications.Reston, VA: National Council of Teachers of Mathematics.
National Council of Teachers of Mathematics. (2000). Principles and standards for school mathe-
matics.Reston, VA: National Council of Teachers of Mathematics.
Polya, George. (1957). How to solve it.Princeton, NJ: Princeton University Press.
Usiskin, Zalman. (1997). Doing algebra in grades K–4. Teaching Children Mathematics. 3(6),
346–356.
8 Algebra Readiness Made Easy: Grade 4 © Greenes, Findell & Cavanagh, Scholastic Teaching Resources