clue 5

1234567
Across
  1. 3. ___ tables
  2. 5. shapes
  3. 6. opposite of real number
  4. 7. opposite positive
Down
  1. 1. another word for math
  2. 2. used to count, measure, and label
  3. 4. order of operations
  4. 6. a triangle with two equal sides and two equal angles