Properties of Addition and Strategies

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Across
  1. 6. ______ property states, the order of addition does not affect the sum.
  2. 7. the two or more numbers being added in an addition problem.
  3. 8. _______ number lines do not have a set beginning or end hatch mark.
  4. 9. _______ property states, the sum of any number and zero results in no change.
  5. 10. the total amount resulting from the addition
Down
  1. 1. (two words, no space) the value represented by a digit in a number based on its position in the number.
  2. 2. (word#word) blocks, sticks, and dots represent numbers.
  3. 3. however you manipulate the numbers, you must do the opposite to the sum at the end.
  4. 4. the process or skill of calculating the total of two or more numbers or amounts.
  5. 5. ______ property states, the grouping of numbers does not matter when adding.