Grade 6 - Natural Numbers and Whole numbers

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Across
  1. 7. Successor of four
  2. 8. x+y=y+x : _____ property of addition
  3. 10. a x 1=1 x a=a : The whole number 1 is _____ element for multiplication
  4. 11. A whole number is _____ than every whole number on its left
  5. 12. Smallest whole number
  6. 13. a x (b-c)=(a x b)-(a x c)
Down
  1. 1. (x+y)+z = x+(y+z): ____ property of addition
  2. 2. If x and y are 2 whole numbers, then x+y is also a whole number
  3. 3. x+0=0+x=x:The whole number 0 is called___ identity
  4. 4. Difference between 2 consecutive whole numbers
  5. 5. Dividend = _______ x Quotient + Remainder
  6. 6. There is no ___ number on the left side of 0
  7. 9. The sum of 2 even numbers is ____