Use models to demonstrate the composition and decomposition of numbers. Content Standards with Essential Skills and Knowledge Statements and Clarifications: The Content Standards and Essential Skills and Knowledge statements shown in this section come directly from the Maryland State Common Core Curriculum Frameworks. Clarifications were added as needed. Educators should be cautioned against perceiving this as a checklist. All information added is intended to help the reader gain a better understanding of the standards. Essential Skills and Standard Clarification Knowledge 1.OA.A.1: Use Ability to represent the - Teachers should pose a variety of word problems to 1.OA.A.1 addition and problem in multiple ways students: subtraction within including drawings and or Join Problems Include: 20 to solve word objects/manipulatives (e.g., Start Unknown + 6 = 11 problems involving counters, connecting cubes, Change unknown 5 + = 11 situations of adding base ten materials, number Result/Whole Unknown 5 + 6 = to, taking from, lines) Separate Problems Include: putting together, Ability to take apart and Start Unknown - 5 = 4 taking apart, and combine numbers in a wide Change unknown 9 - = 11 comparing, with variety of ways Result/Whole Unknown 9 - 5 = unknowns in all Ability to make sense of Part-Part-Whole Problems Include: positions, e.g., by quantity and be able to Part Unknown using objects, compare numbers drawings, and Ability to use flexible thinking equations with a strategies to develop the Part Unknown symbol for the understanding of the traditional unknown number algorithms and their processes Whole Unknown to represent the Ability to solve a variety of problem. addition and subtraction word Students should be able represent the problem in multiple problems (CCSS, Page 88, ways including drawings and or objects/manipulatives Table 1) (counters, connecting cubes, number lines, etc…): Ability to use or ? to represent
Use models to demonstrate the composition and decomposition of numbers. Content Standards with Essential Skills and Knowledge Statements and Clarifications: The Content Standards and Essential Skills and Knowledge statements shown in this section come directly from the Maryland State Common Core Curriculum Frameworks. Clarifications were added as needed. Educators should be cautioned against perceiving this as a checklist. All information added is intended to help the reader gain a better understanding of the standards. Standard Essential Skills and Knowledge Clarification 1.OA.A.1: Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem. Ability to represent the problem in multiple ways including drawings and or objects/manipulatives (e.g., counters, connecting cubes, base ten materials, number lines) Ability to take apart and combine numbers in a wide variety of ways Ability to make sense of quantity and be able to compare numbers Ability to use flexible thinking strategies to develop the understanding of the traditional algorithms and their processes Ability to solve a variety of addition and subtraction word problems (CCSS, Page 88, Table 1) Ability to use or ? to represent 1.OA.A.1 - Teachers should pose a variety of word problems to students: Join Problems Include: Start Unknown + 6 = 11 Change unknown 5 + = 11 Result/Whole Unknown 5 + 6 = Separate Problems Include: Start Unknown - 5 = 4 Change unknown 9 - = 11 Result/Whole Unknown 9 - 5 = Part-Part-Whole Problems Include: Part Unknown Part Unknown Whole Unknown Students should be able represent the problem in multiple ways including drawings and or objects/manipulatives (counters, connecting cubes, number lines, etc…):
Grade_1GT_Places_Unit%20Plan.docx