Key Messages and Student Response Expectations in Subitizing Level 2
Explore the concept of subitizing at a perceptual level, focusing on numbers up to 5, patterns, cardinality of sets, conservation of number, and different forms of numbers. Discover how subitizing allows us to instantly recognize quantities without counting and how numbers can appear different yet hold the same value.
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Presentation Transcript
Subitizing P2 Set 2 Key Messages and Student response expectations Critical Learning Phases (KR)/Learning Tractories (C&S)/Standards (CCSS-M)/ Key Learnings (VF or citation) Subitizing Level Perceptual 2 How did you do that so fast?! I just saw it Perceptual Subitizer to 5 (C&S) Sees Number patterns up to 5 (KR) Cardinality of a set can be accessed without counting (VF) Conservation of Number (C&S, KR) Different forms of number (Ma, VF) 0-5 One Card at a time There s no way you had time to count! Is this still 3 even though it looks different? Numbers can look different and have same value Various Patterns From Australian Primary Mathematics Classroom; Faulkner, Ainslie, 2017
Practice Video - I talk and ask. Subitizing 0-3, Define Explain Subitizing/Conservation of Number You just saw it! Your brain just knew! How can they both be 3? Subitizing P2 Set 2 Faulkner 4/20/20. Slides based on Faulkner, Ainslie 2017
