algebra crossword

123456
Across
  1. 3. 1 + 2 = 3 is an...
  2. 5. 2t and 5t are ___ terms?
  3. 6. letters
Down
  1. 1. 1,2,3,5 are all ___ numbers?
  2. 2. a number in front of a pronumeral
  3. 4. the worst type of math