Mastering Math: Adding, Subtracting, and Skip Counting!

Mastering Math: Adding, Subtracting, and Skip Counting!

Learning Objectives

At the end of the lesson, you will add and subtract numbers within 999 using different methods and skip count in 2s.

What do you already know about adding and subtracting numbers within 999?

Adding Without Renaming

Learn to add numbers within 999 without renaming. Practice using examples.

Subtracting Without Renaming

Learn to subtract numbers within 999 without renaming. Practice using examples.

Adding and Subtracting With Renaming

Explore adding and subtracting with renaming. Practice with examples.

Recording Subtraction

Record subtraction orally, pictorially, in number sentences, and algorithms.

Horizontal and Vertical Presentation

Understand how to present and solve problems both horizontally and vertically.

Skip Counting in 2s

Learn to skip count in 2s. Practice with sequences and patterns.

Self-Assessment Rubric

Create a rubric to assess your understanding of today's lesson objectives.

Write down 3 things you learned in this lesson.

Write down 2 things you want to know more about.

Ask 1 question about something you haven't quite understood yet.