Unit: 3.NBT.2 Addition & Subtraction

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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.

15,371
Developing + and - Resources: 3

Students will develop automaticity when adding and subtracting; understand the concepts of adding and subtracting.

1,730
Relating Addition and Subtraction Resources: 1

Students will explore the relationship between addition and subtraction.

6,682
Addition with Renaming Resources: 1

Students will add multi-digit numbers with renaming.

3,217
When to Regroup Resources: 1

Students will determine how and when to regroup in subtraction problem.

3,769
Subtracting Whole Numbers (Lesson 1) Resources: 1

Students will subtract 2 digit numbers with and without regroup

2,653
Subtract Whole Numbers (Lesson 2) Resources: 1

Subtract whole numbers with and without regrouping.

2,648
Subtraction with Regrouping Resources: 2

Students will be able to determine whether regrouping will be necessary in a given subtraction problem.

19,204
Many Ways to Take Away Resources: 2

Students will identify various strategies to solve subtraction problems.

2,650

Unit Resources

Adding Whole Numbers Quiz   Other
470

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