integers

12345
Across
  1. 3. , 8 x 10
  2. 4. , when you have two numbers it makes them smaller
  3. 5. , makes two number bigger
Down
  1. 1. , if you have a positive number and a zero the answer is zero
  2. 2. , 800 + 700
  3. 5. , it looks like two lines around the number and always makes a number be a positive