tools Essential Skills and Knowledge strategically. Knowledge of the value of digits within a multi-digit number Attend to Knowledge of and ability to precision. represent numbers using concrete materials (e.g., base ten blocks, Digi-blocks, place value arrow Look for and cards) as well as written numerals make use of and number words structure. Ability to justify the representation with word form and written Look for and numerals express regularity in repeated Standard: 2.NBT.4 reasoning. Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons. (SC 2) Essential Skills and Knowledge Make sense of Ability to apply place value problems and knowledge to make comparisons persevere in (e.g., Look at greatest place value solving them. first and compare those digits to see which is greater) Reason abstractly Use place value Standard: 2.NBT.5 and understanding and Fluently add and subtract within 100 using quantitatively. properties of strategies based on place value, properties of operations to add operations, and/or the relationship between Construct viable and subtract. addition and subtraction. Arguments and (SC 2) critique the reasoning of Essential Skills and Knowledge Knowledge of addition and others. subtraction fact families Ability to model regrouping using Model with base ten manipulatives (e.g., base ten mathematics. blocks, Digi-Blocks, place value arrow cards) Use appropriate Knowledge that when regrouping, the
Essential Skills and Knowledge Knowledge of the value of digits within a multi-digit number Knowledge of and ability to represent numbers using concrete materials (e.g., base ten blocks, Digi-blocks, place value arrow cards) as well as written numerals and number words Ability to justify the representation with word form and written numerals Standard: 2.NBT.4 Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons. (SC 2) Essential Skills and Knowledge Ability to apply place value knowledge to make comparisons (e.g., Look at greatest place value first and compare those digits to see which is greater) tools strategically. Attend to precision. Look for and make use of structure. Look for and express regularity in repeated reasoning. 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 Use place value understanding and properties of operations to add and subtract. Standard: 2.NBT.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. (SC 2) Essential Skills and Knowledge Knowledge of addition and subtraction fact families Ability to model regrouping using base ten manipulatives (e.g., base ten blocks, Digi-Blocks, place value arrow cards) Knowledge that when regrouping, the
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