Apresentação Avanca/2013
Math in the Elementary Classroom
Addition and Subtraction are the most basic forms of mathematics. Adding is putting two numbers together, to make a larger number. Subtracting is taking.
2008 Pearson Education, Inc., Publishing as Longman Publishers Chapter 5: Patterns of Organization Bridging the Gap, 9/e Brenda Smith.
© 2005 Pearson Education, Inc., publishing as Pearson Longman Chapter 5: Patterns of Organization PowerPoint by JoAnn Yaworski and Mimi Markus Bridging.
Math Grade 3 Miss Shannon Smrek October 14, 2009.
Multiplication Concepts