Numbers

1234567
Across
  1. 1. 3+3
  2. 2. 1 + 4
  3. 3. 5+5
  4. 4. 2+2
  5. 5. 10+5
  6. 7. seven plus six
Down
  1. 1. ten minus three
  2. 3. one plus one
  3. 4. 20-6
  4. 6. ten minus one