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Chapter topics:
- Finding sum by rounding off numbers to the nearest 10
- Sum of up to two 2-digit numbers to the nearest 10
- Exercise E
- Sum of up to two 4-digit numbers to the nearest 10
- Exercise F
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.
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