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Chapter topics:
- Addition of a 4-digit number to a 3-digit and 4-digit number with single regrouping
- Addition of up to a 4-digit number with single regrouping
- Exercise B
A valid license for package „Opiq Private User Package”, „Opiq Pupil Package” or „Opiq Teacher Package” is required to use the kit. Click the link with the package name to learn more about the package and order a license.
If you have a valid license, log in to view the chapter.