Create your own centimeter ruler. Then, estimate and measure with lengths with it. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through ...

In contrast to contemporary estimation researchers who have focused primarily on children's computational estimation abilities, we examined the ideas surrounding the teaching and learning of ...

Preschoolers inability to estimate quantity relates to later math difficulty Date: August 14, 2013 Source: University of Missouri-Columbia Summary: Preschool children who showed less ability to ...