Topic 8- Adding Two-Digit Numbers

Lesson 8-1 Addition:  Regrouping 10 Ones for 1 Ten

Key Words: regroup

Lesson 8-2 Addition: Models to Add Two- and One-Digit Numbers

Lesson 8-3 Addition: Adding Two- and One-Digit Numbers

Lesson 8-4 Addition: Models to Add Two-Digit Numbers

Lesson 8-5 Addition: Adding Two-Digit Numbers

Lesson 8-6 Addition: Adding on a Number Line

Key Words: number line

Lesson 8-7 Addition: Adding More than Two Numbers

Lesson 8-8 Addition: Ways to Add

Lesson 8-9 Addition: Draw a Picture and Write a Number Sentence