Crossword Puzzle 2

123456
Across
  1. 5. an equation you can solve in only one step.
  2. 6. a whole number; a number that is not a fraction.
Down
  1. 1. an equation you can solve using two steps
  2. 2. method of distributing a group of things into equal parts
  3. 3. the result of repeated additions of two numbers
  4. 4. a number without fractions