Puzzles

Answer to Yesterday’s Guess That Estimation:

The number of kilometres of hair the average human will grow in a lifetime is 949.5 km.

Visual Patterns

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 square in the top row and 6 squares in the bottom row, Term 2 has 1 square in the top row and 6 squares in the bottom 2 rows, Term 3 has 1 square in the top row and 6 squares in the next 3 rows, Term 4 has 1 square in the top row and 6 squares in the next 4 rows.
Source: visualpatterns.org