Mental Math

123456
Across
  1. 2. Four times of 25
  2. 4. 12 times 3
  3. 5. 4 x 200
  4. 6. 45 x 200
Down
  1. 1. 70000 divided by 100
  2. 2. 12 x 100
  3. 3. 13 x 100
  4. 5. 1600 divided by 20
  5. 6. 10 less than 100