ASA puzzle

12345678
Across
  1. 1. 8X7
  2. 3. The value of the 7 in the number 725.
  3. 6. The answer to a subtraction problem.
  4. 7. 100:4 =
  5. 8. To find the total of two or more numbers.
Down
  1. 2. 150 + 150
  2. 3. A shape with four equal sides and four right angles.
  3. 4. A fraction where the top number is 1
  4. 5. the answer to a multiplication problem
  5. 7. A polygon with three sides.