# Unit: 3.NBT.2 Addition & Subtraction

10266 Views
24 Favorites

### Unit Description

3.NSO-C.10. Demonstrate an understanding of and the ability to use conventional algorithms for the addition and subtraction of up to five-digit whole numbers. 3.NSO-C.11. Add and subtract up to four-digit whole numbers accurately and efficiently.

### Lessons

 Adding Whole Numbers Resources: 2 Students will add multi-digit whole numbers numbers; review basic addition facts. 14,768 Developing + and - Resources: 3 Students will develop automaticity when adding and subtracting; understand the concepts of adding and subtracting. 1,626 Relating Addition and Subtraction Resources: 1 Students will explore the relationship between addition and subtraction. 6,184 Addition with Renaming Resources: 1 Students will add multi-digit numbers with renaming. 3,058 When to Regroup Resources: 1 Students will determine how and when to regroup in subtraction problem. 3,510 Subtracting Whole Numbers (Lesson 1) Resources: 1 Students will subtract 2 digit numbers with and without regroup 2,540 Subtract Whole Numbers (Lesson 2) Resources: 1 Subtract whole numbers with and without regrouping. 2,555 Subtraction with Regrouping Resources: 2 Students will be able to determine whether regrouping will be necessary in a given subtraction problem. 18,379 Many Ways to Take Away Resources: 2 Students will identify various strategies to solve subtraction problems. 2,545

### Unit Resources

 Adding Whole Numbers Quiz   Other 449
Something went wrong. See details for more info
 Nothing to upload details close