Comparing Favorite Collections (Contexts for Learning Mathematics)

This grade one unit in the k-5 curriculum series Contexts for Learning Mathematics introduces bar graphs as a way to compare amounts as children extend their favorite collections started with the kindergarten units, My Favorite Collection and How Many? In contrast to the prior K units, this unit is designed to support counting to 120 and beyond, packaging groups of tens and noting place value patterns, and using place value and properties of operations to add and subtract within 100 using value bars. It also continues the work of automatizing the basic facts to 20 and introduces the equality and inequality symbols: <, >, and =. Read more