Math Crossword

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Across
  1. 2. Part of a whole
  2. 7. Base 10 place value system is also known as which place value system?
  3. 8. Sum of additive inverse is known as?
  4. 9. Repeated Addition
  5. 11. a+(b+c)=(a+b)+c, this is which property?
  6. 12. In real life, what type of calculation do you need to do?
Down
  1. 1. 1,2,3,4,5... are which numbers?
  2. 3. Three Hundred Sixty Four is a
  3. 4. Repeated Subtraction
  4. 5. 0,1,2,3,4,5,6,... are which numbers?
  5. 6. 3+4=4+3, this is which property?
  6. 10. Negative numbers and whole number together are called