Addition

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Across
  1. 3. =
  2. 7. the opposite of subtracting is...
  3. 9. 5+5 equals...
  4. 11. 1+2 equals...
  5. 12. 1+0 equals...
  6. 13. 3+5 equals...
  7. 14. the answer to an addition problem
  8. 16. 2+0 equals...
Down
  1. 1. +
  2. 2. 4+3 equals...
  3. 4. joining things together is called
  4. 5. true or false: 2+2=5
  5. 6. 3+2 equals...
  6. 8. true or false: 5+2=7
  7. 9. the dots we add on numbers to help us count
  8. 10. 7+2 equals...
  9. 14. 3+3 equals...
  10. 15. 3+1 equals...