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Subitizing: What is it? Why teach it?

Clements, D. H. (1999). Subitizing: What is it? Why teach it? Teaching Children Mathematics, 5(7), 400-405. Subitizing is “instantly seeing how many.”/ ˈsu bɪˌtaɪz / [ soo-bi-tahyz ] Perceptual subitizing : recognizing a number without using other mathematical processes. For example, children might “see 3” without using any learned mathematical knowledge. Perceptual subitizing accounts for some surprisingabilities of infants. Perceptual subitizing also…

Report: Developing mathematical inquiry and argumentation

Hunter, R., & Anthony, G. (2010). Developing mathematical inquiry and argumentation. (pp. 197-206) Pg 198 Motivational and cognitive discourse Motivational discourse is encouraged through creating a space where students feel safe to share their response, secure that risks and mistakes are opportunities for learning not ridicule. Their contributions are valued. Cognitive discourse encourages students to think outside the rote learning,…