Unit 9: Length Weeks: 27-28 Domain: Measurement and Data Cluster: Measure and estimate lengths and standard units 2.MD.1 Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes. Knowledge Targets “I Can” Statements Standard Interpretations Students in second grade will build upon what Identify tools that can be used to measure I can use rulers, yardsticks, and other tools to they learned in first grade from measuring measure length. length. length with non-standard units to the new skill of measuring length in metric and U.S. Identify the unit of length for the tool used Customary with standard units of measure. They should have many experiences (inches, centimeters, feet, meters). measuring the length of objects with rulers, yardsticks, meter sticks, and tape measures. They will need to be taught how to actually use Reasoning Target a ruler appropriately to measure the length of an object especially as to where to begin the Determine which tool to use to measure measuring. Do you start at the end of the ruler the length of an object. or at the zero? Performance Target Measure the length of objects by using appropriate tools. Make sense of Reason abstractly and Construct viable Model with Use appropriate tools Attend to precision Look for and make Look for and express problems and quantitatively arguments and mathematics strategically use of structure regularity in repeated preserver in solving critiques the reasoning them. reasoning of others
Unit 9: Length Weeks: 27-28 Domain: Measurement and Data Cluster: Measure and estimate lengths and standard units 2.MD.1 Measure the length of an object by selecting and using appropriate tools such as rulers, yardsticks, meter sticks, and measuring tapes. Knowledge Targets “I Can” Statements Standard Interpretations Identify tools that can be used to measure length. Identify the unit of length for the tool used (inches, centimeters, feet, meters). I can use rulers, yardsticks, and other tools to measure length. Students in second grade will build upon what they learned in first grade from measuring length with non-standard units to the new skill of measuring length in metric and U.S. Customary with standard units of measure. They should have many experiences measuring the length of objects with rulers, yardsticks, meter sticks, and tape measures. They will need to be taught how to actually use a ruler appropriately to measure the length of an object especially as to where to begin the measuring. Do you start at the end of the ruler or at the zero? Reasoning Target Determine which tool to use to measure the length of an object. Performance Target Measure the length of objects by using appropriate tools. Make sense of problems and preserver in solving them. Reason abstractly and quantitatively Construct viable arguments and critiques 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
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