manipulatives tools Ability to recognize and use strategically. patterns in a thousands chart Attend to precision. Standard: 2.NBT.9 Explain why addition and subtraction strategies work, using place value and the properties of Look for and operations. make use of structure. Essential Skills and Knowledge Ability to use the properties Look for and (commutative property for addition, express regularity associative property for addition, zero property, identity property) to in repeated compute and to support their reasoning. explanation (CCSS, Page 90, Table 3 ) Ability to reason mathematically and explain why their chosen strategy works using words, pictures, and/or symbols to support their explanation Measurement and Data DOMAIN: Cluster Standard Mathematical Practices Measure and Standard: 2.MD.1 Make sense of estimate lengths in Measure the length of an object by selecting problems and standard units. and using appropriate tools such as rulers, persevere in yardsticks, meter sticks, and measuring tapes. solving them. Essential Skills and Knowledge Reason abstractly Ability to measure to the nearest inch, centimeter, yard, or meter and Knowledge of and ability to explain quantitatively. why we use standard units of measurement instead of Construct viable units Arguments and Ability to estimate before critique the measuring to help determine the appropriate measurement tool and reasoning of unit others.
tools strategically. Attend to precision. Look for and make use of structure. Look for and express regularity in repeated reasoning. manipulatives Ability to recognize and use patterns in a thousands chart Standard: 2.NBT.9 Explain why addition and subtraction strategies work, using place value and the properties of operations. Essential Skills and Knowledge Ability to use the properties (commutative property for addition, associative property for addition, zero property, identity property) to compute and to support their explanation (CCSS, Page 90, Table 3 ) Ability to reason mathematically and explain why their chosen strategy works using words, pictures, and/or symbols to support their explanation DOMAIN: Measurement and Data Cluster Standard Mathematical Practices Measure and estimate lengths in standard units. Standard: 2.MD.1 Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes. Essential Skills and Knowledge Ability to measure to the nearest inch, centimeter, yard, or meter Knowledge of and ability to explain why we use standard units of measurement instead of units Ability to estimate before measuring to help determine the appropriate measurement tool and unit Make sense of problems and persevere in solving them. Reason abstractly and quantitatively. Construct viable Arguments and critique the reasoning of others.
Grade_2_Framework.docx