Unit 1 Vocabulary

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Across
  1. 2. the operation of making equal groups to find the number in each group or to find the number of equal groups
  2. 4. the answer to a multiplication problem
  3. 7. to approximate a number to a given place value
  4. 9. pairs of numbers that can be easily computed mentally
  5. 10. (noun) an answer that is close to the exact answer;(verb) to guess about
  6. 12. to explain why a solution was chosen
  7. 13. an estimation strategy in which numbers are rounded and then mentally adjusted
  8. 15. the answer to a subtraction problem
  9. 16. the number by which another number is divided
  10. 17. the operation using repeated addition of the same number; the combining of equal groups
Down
  1. 1. the number to be divided in a division problem
  2. 3. (verb) to estimate; to come close to;(adj.)almost exact or correct
  3. 5. logical or sensible
  4. 6. the answer to a division problem
  5. 8. an estimation made using the front-end digit of a number
  6. 11. a step-by-step process for solving a problem
  7. 14. numbers that are added