cl1-m-addition & subtraction-l2

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Across
  1. 3. Add zero to a number.
  2. 6. An elephant compared to mouse.
  3. 8. The answer we get on adding two numbers.
  4. 9. The symbol - represents
Down
  1. 1. On subtracting with this number, we get the number just before it.
  2. 2. Counting frame.
  3. 4. Process of putting objects of two collections together.
  4. 5. Opposite to plus.
  5. 7. In sum the outcome.