shapes

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Across
  1. 3. A+(B+C)= (A+B)+C : identify the property of addition
  2. 4. shape of a mobile phone
  3. 6. shape of a pizza
  4. 9. standard unit of measuring length on ruler
  5. 10. + b = b + a identify the property
Down
  1. 1. -when 1 is subtracted from a num, we get this
  2. 2. shape of a body part
  3. 5. Line- visual representation of numbers on a straight line drawn either horizontally or vertically is known as
  4. 7. -include positive numbers, negative numbers, and zero
  5. 8. shape of an egg