Monday, October 15, 2012

Factors, Multiples, and Arrays

We are in the midst of Investigations Unit 1 on Factors, Multiplies, and Arrays. The students come to 4th grade with a solid conceptual understanding of multiplication. Our work concentrates around three mathematical emphases:

Whole Number Operations
Understanding and working with an array model of multiplication

Whole Number Operations
Reasoning about numbers and their factors

Computational Fluency
Fluency with multiplication combinations to 12x12