'D' 'E' 'F' Math Words

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Across
  1. 1. the answer to a subtraction problem
  2. 5. amount a price is reduced
  3. 6. identical in amount or quantity
  4. 7. a statement that say 2 quantities are the same value
  5. 8. to split a quantity into equal groups
  6. 9. two times
  7. 10. find the value of
  8. 12. share with all terms in parentheses
  9. 13. approximate
Down
  1. 2. having congruent sides
  2. 3. the outside of something
  3. 4. where 2 faces of a 3D shape meet
  4. 9. the distance across a circle through the center
  5. 10. indicates repeated multiplication
  6. 11. flat side of a 3D shape