Solving Addition and Subtraction

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Across
  1. 1. to combine; put together two or more numbers
  2. 2. take away; remove; compare
  3. 3. the property of addition when two numbers are added, the sum is the same regardless of the order
  4. 5. the answer to an addition problem
  5. 6. the result when one number is subtracted from another
  6. 8. a symbol that shows addition; combine; put together two or more
  7. 10. a number sentence with an equal sign. the amount on one side of the equal sign has the same value as the amount on the other side
Down
  1. 1. the property of addition when three or more numbers are added, the sum is the same regardless of the grouping
  2. 4. having the same amount
  3. 7. a mathematical phrase (number sentence) without an equal sign
  4. 9. a symbol that shows subtraction; take away a quantity