美国国家科学基金会(NSF):2024年科学与工程状况报告(英文版)

  • 2024年03月16日
  • 50 金币

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National assessments show a sharp decline in elementary and secondary student mathematics performance since the COVID-19 pandemic. From 2019 to 2022, average mathematics scores of fourth and eighth grade students dropped to levels last measured approximately 20 years ago.

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