![Overview of Subtraction (Numbers up to 20)](https://img.oercommons.org/160x134/microsite-ct-prod/media/upload/materials/screenshots/materials-course-5062.png)
This video lecture serves as a review of subtraction up to the number twenty for first graders.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 07/07/2021
This video lecture serves as a review of subtraction up to the number twenty for first graders.
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