Puzzles

For the pattern below:

  • What do you notice?
  • What do you wonder?
  • What will the next few patterns look like?
  • What will the 100th term look like?
  • What is the algebraic expression that describes this pattern?

Term 1 has 1 dog, Term 2 has 2 dogs in the top row and 1 dog in the bottom row. Term 3 has 3 dogs in the top row and 2 dogs in the bottom row, Term 3 has 4 dogs in the top row and 3 dogs in the bottom row.

Source: visualpatterns.org