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Grade Band : K–2

Grade Band : K–2. Domain : Counting and Cardinality, Number and Operations in Base Ten. Why this domain is a priority for professional development. Foundational for measurement. Key standards in this domain that pd should focus on.

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Grade Band : K–2

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  1. Grade Band: K–2 Domain: Counting and Cardinality, Number and Operations in Base Ten

  2. Why this domain is a priority for professional development • Foundational for measurement

  3. Key standards in this domain that pd should focus on • (2.NBT.2 -> 2.NBT.5 ->2.NBT.6) + (1.NBT.4 ->2.NBT.7) -> 2.NBT.9 (MP3) (Tasks 4 and 5 good illustration.) Two threads, captured by critical areas 1 and 2. Moving towards fluency with 2-digit numbersand problem solving with 3-digit numbers. • K.CC.4. Important to have a quantitative notion first before you attach a symbol (K.CC.1–3) • K.NBT.1->1.NBT.2->2.NBT.2. (MP6) Moving towards decomposing numbers into tens and ones. Often all about position and columns with no value.

  4. Existing resources that support these domains and standards • Essential understanding of Number and Numeration, NCTM • Van der Walle • National Library of Digital Manipulatives • UCLA materials (two quarter sequence called number power 1 and number power 2) • DMI • Teaching number in the classroom (Wright et al)

  5. Domains and standards that are in need of new resources • K.CC.4. Language is new to some teachers (“cardinality”). • K.NBT.1+1.NBT.2. Teachers might think they know because “I already teach place value”, without understanding the connection with quantities. • Building visual models for addition and subraction

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