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  1. Hard Math Problems for 6th Graders: Pumpkins and Watermelons

  2. 34 6th Grade Math Problems: Answers With Worked Examples

  3. Free 6th Grade Math Worksheets

  4. Math word Problems With Answers for Grade 6

  5. Grade 6 Math: Top 10 Difficult Questions - Lumos Learning

  6. Open Middle - Challenging math problems worth solving

  7. Challenging Math Problems for 6th Graders - Learn ZOE

  8. Hard Math Problems for 6th Graders | Learn ZOE

  9. Top 10 Difficult Math Questions for Grade 6 with Answers

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