Addition Key Concepts

12345678910
Across
  1. 1. nothing changes when adding this number
  2. 6. numbers like 10, 25, 50
  3. 7. the second right hand place value in a number
  4. 10. the third right hand place value in a number
Down
  1. 2. the same as
  2. 3. two plus three equals
  3. 4. to add to
  4. 5. the far right hand place value in a number
  5. 8. seven plus two equals
  6. 9. the total amount from the addition of numbers