cl3-m-addition & subtraction-l2

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Across
  1. 1. Symbol used for addition.
  2. 4. What it all add up to.
  3. 5. When a number is subtracted from itself the difference.
  4. 7. Sum of an even and an odd numbers.
  5. 8. It is greater than subtrahend and difference.
  6. 9. The number that we subtract.
Down
  1. 2. In which operation we cannot change the order of numbers.
  2. 3. It is an easy way to estimate the sums of two or more numbers.
  3. 6. Other name for commutative property.