Intellectual development

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Across
  1. 1. , match the peaces
  2. 3. , ability to solve problems
  3. 4. , things which u read
  4. 5. , board game of the royals
  5. 7. , things which u think
  6. 8. , van Gogh known for
Down
  1. 2. , learn languages
  2. 6. , the ability to learn