• When you add zero to a number, the number stays the same.
  • Now add:
  • 0 + 3 = 3
  • When you add zero to a number, the number stays the same.
  • Now add:
  • 5 + 0 = 5
  • When you add zero to a number, the number stays the same.
  • Now add:
  • 1 + 0 = 1