Encourage the use and discussion of counting on (Level 2) and converting to an easier 2.OA.B.2 requires students to fluently add and subtract within 20 using mental strategies. “The deep extended experiences equivalent problem (Level 3) strategies for adding and subtracting within 20. See Appendix students have with addition and subtraction in Kindergarten and for additional information on these strategies (, pp. 36-39). Grade 1 culminate in Grade 2 with students becoming fluent in single-digit additions and the related subtractions using the mental Level 2 and 3 strategies as needed” (). Grade 2 / Chapter 2: Numbers to 1,000 Lesson Action Details for the Action Rationale Since Chapter 3 was moved to the beginning of the year, Chapter 2 now follows it. 2.1 Group Tens as Hundreds As is 2.2 Explore 3-Digit Numbers As is 2.3 Model 3-Digit Numbers As is 2.4 Hundreds, Tens, and As is Ones 2.5 Place Value to 1,000 As is 2.6 Number Names As is 2.6.1 Add Lesson about naming numbers in various ways: 2.NBT.A.3 requires students to represent numbers in different [Note: Lessons on writing numbers in word form ways. This lesson allows students to apply place value were recommended to be deleted in the K and 1 understanding to represent numbers in various ways. guidance documents because they were not aligned to the Standards.] 2.7 Different Forms of As is Numbers 2.8 Different Ways to Show As is Numbers
Encourage the use and discussion of counting on (Level 2) and converting to an easier equivalent problem (Level 3) strategies for adding and subtracting within 20. See Appendix for additional information on these strategies (, pp. 36-39). 2.OA.B.2 requires students to fluently add and subtract within 20 using mental strategies. “The deep extended experiences students have with addition and subtraction in Kindergarten and Grade 1 culminate in Grade 2 with students becoming fluent in single-digit additions and the related subtractions using the mental Level 2 and 3 strategies as needed” (). Grade 2 / Chapter 2: Numbers to 1,000 Lesson Action Details for the Action Rationale Since Chapter 3 was moved to the beginning of the year, Chapter 2 now follows it. 2.1 Group Tens as Hundreds As is 2.2 Explore 3-Digit Numbers As is 2.3 Model 3-Digit Numbers As is 2.4 Hundreds, Tens, and Ones As is 2.5 Place Value to 1,000 As is 2.6 Number Names As is 2.6.1 Add Lesson about naming numbers in various ways: [Note: Lessons on writing numbers in word form were recommended to be deleted in the K and 1 guidance documents because they were not aligned to the Standards.] 2.NBT.A.3 requires students to represent numbers in different ways. This lesson allows students to apply place value understanding to represent numbers in various ways. 2.7 Different Forms of Numbers As is 2.8 Different Ways to Show Numbers As is