Addition and Subtraction of 2-Digit Numbers WITHOUT Regrouping

M - Mentally add or subtract 10 or 100 to a given number 100-900 (2.NBT.8) 

M - Addition and subtraction within 100 to solve one and two step word problems with unknowns in all positions (2.OA.1) 

D - Fluently add and subtract within 100 using strategies based on place value, properties of operations, and /or the relationship between addition and subtraction. (2.NBT.5) 

D - Explain why addition and subtraction strategies work, using place value and the properties of operations. (2.NBT.9) 

Addition and Subtraction of 2-Digit Numbers WITH Regrouping

M - Addition and subtraction within 100 to solve one and two step word problems with unknowns in all positions (2.OA.1) 

D - Fluently add and subtract within 100 using strategies based on place value, properties of operations, and /or the relationship between addition and subtraction. (2.NBT.5) 

D - Add up to four two-digit numbers using strategies based on place value and properties of operations. (2.NBT.6) 

D - Explain why addition and subtraction strategies work, using place value and the properties of operations. (2.NBT.9) 

Grade Level Fluency 

M - Continue with Math Facts to 20 Lists: +6,+7,+8,+9) (2.OA.2) 

D - Place Value (2.NBT.1)