cl2-m-addition & subtraction-l2

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Across
  1. 3. How many tens does regrouping of 10 ones give ?
  2. 5. Rearranging the numbers.
  3. 7. When we subtract, we use this to find how much is left.
  4. 8. We can check subtraction using.
  5. 9. Changing the order of numbers while adding what will not change.
Down
  1. 1. We compare two numbers to find how many more or how many less than the other by
  2. 2. The number that makes the sum unchanged.
  3. 4. Numbers in this place must be added first.
  4. 6. The sum does not change even if the order of this is changed.
  5. 7. The number from which we subtract is