Math Vocabulary - Addition & Subtraction

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Across
  1. 1. increased or made more by a certain number
  2. 3. Karen has 23 apples then gives away eleven. How many does she have left?
  3. 5. twenty five minus ten
  4. 8. seventy three minus forty two
  5. 9. a number greater than zero is ____________
  6. 10. to find the difference between two numbers
  7. 12. There are twelve butterflies and seven fly away. How many are there left?
  8. 14. a symbol or word used to count or measure
  9. 17. the amount left when one number is subtracted from another
  10. 18. the answer to an addition problem
Down
  1. 2. the difference between ninety one and twenty three
  2. 4. a number less than zero is ____________
  3. 6. reduced or made less by a number
  4. 7. Pablo has nine hats. He buy seven more. How many does he have now?
  5. 11. to combine numbers and make a new number
  6. 13. Bert has thirty one cars. Bob has fourteen cars. What's the difference?
  7. 15. the sum of twenty six and eight
  8. 16. eighteen subtracted from sixty