Relating Addition and Subtraction Facts Grouping into Tens and Ones Regrouping Tens as Ones TN Task Arc: Adding to Situational Tasks (Allow 1 week for instruction, review and assessment) Domain: Operations and Algebraic Thinking Enduring Understandings Note: Prioritize completion of Module 2 over For Fluency Practice: Cluster: Represent and solve problems Task Arc if needed Please see engageny for suggested fluency Problems can be solved by counting all, involving addition and subtraction. pacing and activities. counting on from a quantity, counting on form the largest set, or using derived Click on the following link to access Task Arc: Use addition and subtraction within 20 to Use the following for additional fluency facts when solving for the whole amount solve word problems involving situations of activities: or the missing part of the whole. adding to, taking from, putting together, Mapping devices and tools can help you taking apart, and comparing, with If adjustment is needed for pacing, please gain a sense of the quantities involved, unknowns in all positions, e.g., by using consider the following: to notice increases and decreases, and objects, drawings, and equations with a Use Task 3 and 8 to solidify understanding consider doing and undoing related to symbol for the unknown number to addition and subtraction represent the problem. A quantity in a set can be moved to the For remediation and differentiation use the Solve word problems that call for addition of other set and the sets can be combined, following tasks: three whole numbers whose sum is less but the whole amount will remain the Task 1,2,4,5 and 6 than or equal to 20, e.g., by using objects, same because no additional items for drawings, and equations with a symbol for added or taken away. the unknown number to represent the Two quantities can be combined in any problem. order and the whole quantity will remain the same. Cluster: Understand and apply properties of Addition and subtraction are inverse operations and the relationship between operations because two or more addition and subtraction. quantities can come together and then the whole amount of objects can be Apply properties of operations as strategies taken apart, but the composition of the to add and subtract.2 Examples: If 8 + 3 = whole quantity remains the same. 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be
Relating Addition and Subtraction Facts Grouping into Tens and Ones Regrouping Tens as Ones TN Task Arc: Adding to Situational Tasks (Allow 1 week for instruction, review and assessment) Domain: Operations and Algebraic Thinking Cluster: Represent and solve problems involving addition and subtraction. 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. Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem. Cluster: Understand and apply properties of operations and the relationship between addition and subtraction. Apply properties of operations as strategies to add and subtract.2 Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be Enduring Understandings Problems can be solved by counting all, counting on from a quantity, counting on form the largest set, or using derived facts when solving for the whole amount or the missing part of the whole. Mapping devices and tools can help you gain a sense of the quantities involved, to notice increases and decreases, and consider doing and undoing related to addition and subtraction A quantity in a set can be moved to the other set and the sets can be combined, but the whole amount will remain the same because no additional items for added or taken away. Two quantities can be combined in any order and the whole quantity will remain the same. Addition and subtraction are inverse operations because two or more quantities can come together and then the whole amount of objects can be taken apart, but the composition of the whole quantity remains the same. Note: Prioritize completion of Module 2 over Task Arc if needed Click on the following link to access Task Arc: If adjustment is needed for pacing, please consider the following: Use Task 3 and 8 to solidify understanding For remediation and differentiation use the following tasks: Task 1,2,4,5 and 6 For Fluency Practice: Please see engageny for suggested fluency pacing and activities. Use the following for additional fluency activities: