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  3. Free Math Worksheets - Khan Academy Blog

  4. Free, fun educational app for young kids - Khan Academy

  5. Khan Academy Kids adds new first-grade lessons

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  7. Khan Academy's summer schedule for students

  8. Adding 5 + 3 + 6 - 3 + 6 (video) | Khan Academy

  9. Generate 1st Grade Lesson Plans Instantly with Khan Academy!

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