value of the number does not change tools but the place values of the digits strategically. within that number change (e.g., When regrouping the problem 324 – Attend to 116, 324 becomes 300 + 10 + 14 in order to regroup) precision. Look for and Standard: 2.NBT.6 make use of Add up to four two-digit numbers using structure. strategies based on place value, properties of operations. Look for and express regularity Essential Skills and Knowledge Knowledge of and ability to apply in repeated strategies such as expanded form, reasoning. empty number line and partial sums Standard: 2.NBT.7 Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; Make sense of relate the strategy to a written method. Understand that in adding or subtracting problems and numbers, one adds or subtracts hundreds persevere in and hundreds, tens and tens, ones and ones; solving them. and sometimes it is necessary to compose or decompose tens or hundreds. Reason abstractly and Essential Skills and Knowledge quantitatively. See the skills and knowledge that are stated in the Standard. Construct viable Standard: 2.NBT.8 Arguments and Mentally add 10 or 100 to a given number critique the and mentally subtract 10 or 100 from a reasoning of given number 100-900. others. Essential Skills and Knowledge Ability to skip count from a number Model with by 10 and/or 100 including off the mathematics. decades Ability to model using base ten Use appropriate
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 value of the number does not change but the place values of the digits within that number change (e.g., When regrouping the problem 324 – 116, 324 becomes 300 + 10 + 14 in order to regroup) Standard: 2.NBT.6 Add up to four two-digit numbers using strategies based on place value, properties of operations. Essential Skills and Knowledge Knowledge of and ability to apply strategies such as expanded form, empty number line and partial sums Standard: 2.NBT.7 Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds. Essential Skills and Knowledge See the skills and knowledge that are stated in the Standard. Standard: 2.NBT.8 Mentally add 10 or 100 to a given number and mentally subtract 10 or 100 from a given number 100-900. Essential Skills and Knowledge Ability to skip count from a number by 10 and/or 100 including off the decades Ability to model using base ten
Grade_2_Framework.docx