## ◂Math Worksheets and Study Guides Second Grade. Double Digit Addition without Regrouping

### The resources above correspond to the standards listed below:

Operations and Algebraic Thinking
Cluster: Add and subtract within 20.
KY.2.OA.2. Fluently add and subtract within 20 using mental strategies. (MP.2, MP.7, MP.8)
Numbers and Operations in Base Ten
Cluster: Use place value understanding and properties of operations to add and subtract.
KY.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. (MP.2, MP.8)
KY.2.NBT.6. Add up to four two-digit numbers using strategies based on place value and properties of operations. (MP.2, MP.7)
KY.2.NBT.7. Add and subtract within 1000. (MP.1, MP.5)
KY.2.NBT.7.a. Represent and solve addition and subtraction problems using…
concrete models or drawings
strategies based on place value
relate drawings and strategies to expressions or equations
KY.2.NBT.7.b. Understand that in adding or subtracting three-digit 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.
KY.2.NBT.9. Explain why addition and subtraction strategies work, using place value and the properties of operations. (MP.3, MP.7)