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_{The second set of English assessments (marked as set "B") are copyright 2019 by Open Up Resources, openupresources.org, and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0),}_{https://creativecommons.org/licenses/by/4.0/}_.

_{Spanish translation of the "B" assessments are copyright 2020 by Illustrative Mathematics, www.illustrativemathematics.org,and are licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0),}_{https://creativecommons.org/licenses/by/4.0/}_.

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6.8.13.6, Additional Practice