MATH DOMAIN 2.OA.4/ OPERATIONS AND ALGEBRAIC THINKING Grade 2 Math Standard Mathematic Practices Math Cluster Work with equal 2.OA.4 Use Make sense of problems and addition to find the persevere in solving them. groups of objects to gain total number of Reason abstractly and objects arranged in quantitatively. foundations for multiplication. rectangular arrays Construct viable arguments and with up to 5 rows critique the reasoning of others. and up to 5 columns; Model with mathematics. write an equation to Use appropriate tools express the total a strategically. sum of equal Attend to precision. addends. Look for and make use of structure. Look for and express regularity in repeated reasoning. Reporting Standard Trimester 1 Trimester 2 Trimester 3 Introduced Introduced (tested) Operations: Model and describe multiplication as ( not tested) ( not tested) joining sets of equal parts. Work with Work with equal addends equal addends Task Analysis 1.OA. 8 Determine the unknown whole number in an addition and subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 +? = 11, 5 =? -3, 6 + 6 =? Learning Tasks: Draw an array up to 5 by 5.
MATH DOMAIN 2.OA.4/ OPERATIONS AND ALGEBRAIC THINKING Grade 2 Math Cluster Math Standard Mathematic Practices Work with equal groups of objects to gain foundations for multiplication. 2.OA.4 Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total a sum of equal addends. Make sense of problems and persevere in solving them. Reason abstractly and quantitatively. Construct viable arguments and critique the reasoning of others. Model with mathematics. Use appropriate tools strategically. Attend to precision. Look for and make use of structure. Look for and express regularity in repeated reasoning. Reporting Standard Trimester 1 Trimester 2 Trimester 3 Operations: Model and describe multiplication as joining sets of equal parts. Introduced ( not tested) Work with equal addends Introduced ( not tested) Work with equal addends (tested) Task Analysis 1.OA. 8 Determine the unknown whole number in an addition and subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 +? = 11, 5 =? -3, 6 + 6 =? Learning Tasks: Draw an array up to 5 by 5.
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