Numbers

12345678
Across
  1. 3. 6×10=
  2. 6. 3×10=
  3. 7. 10+4=
  4. 8. 8×10=
Down
  1. 1. 7×10=
  2. 2. 10+9=
  3. 4. 100÷2=
  4. 5. 20-5=