- Lesson 1
Identify the addends and the sum in column addition
121 - Lesson 2
Use place value to correctly lay out column addition
121 - Lesson 3
Add 2-digit numbers using column addition
121 - Lesson 4
Add 3-digit numbers using column addition
121 - Lesson 5
Use column addition to solve problems
121 - Lesson 6
Use column addition to add numbers by regrouping ones
121 - Lesson 7
Use column addition to add numbers by regrouping tens
121 - Lesson 8
Use column addition with regrouping in ones and tens
121 - Lesson 9
Use known facts and strategies to accurately and efficiently calculate and check column addition
121 - Lesson 10
Use column addition with regrouping to solve problems
121
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