Math Curriculum
Level B
Unit: Addition and Subtraction
Key Lesson 3.3.10 Subtraction Algorithms (Part 3)
Lesson topic: Subtract three-digit numbers
Instructor Materials
- Teacher guide
- Slides
- CCRS standard: 3.NBT.2
- Learning goal: Relate subtraction algorithms to one another using place value understanding. Subtract numbers within 1,000 using another algorithm based on place value.
- 3.3 Assessment and Practice Problems
Student Materials
Related Lessons
Preparation
If students need additional lessons before this key lesson, use these supplemental lessons.
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