School things!

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Across
  1. 5. The item you use to rub out mistakes
  2. 6. The item you use to solve math problem
  3. 7. The item you use to write things down on
  4. 9. The item you use to highlight important things
Down
  1. 1. The item used to store in pen, pencil, etc
  2. 2. The item that keeps you hydrated
  3. 3. The item you use to write and is erasable
  4. 4. The item that stores everything you take to school and wear it behind your back
  5. 8. The item you use to write but can’t erase