Up Next in Teaching and Learning Fundamental Mathematics

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  15:38

  DIA_1 # Test. Whole Number Numeration

  DIA_1 # Test. Whole Number Numeration

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  14:46

  DIA_2 # Test. Basic Addition

  DIA_2 # Test. Basic Addition

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  17:05

  DIA_3 # Test. Basic Whole Number Subt...

  DIA_3 # Test. Basic Whole Number Subt...