Image may be NSFW.
Clik here to view.
For constructing number sense, exploring relationships is a natural occurrence among elementary school students and such experiences should be deliberately planned in early grades as situated conceptual concrete experiences to develop a number sense prior to introducing the concepts of counting and numeric symbols.
Clik here to view.

For constructing number sense, exploring relationships is a natural occurrence among elementary school students and such experiences should be deliberately planned in early grades as situated conceptual concrete experiences to develop a number sense prior to introducing the concepts of counting and numeric symbols.