Skip to content
Spark & Whetstonethe grown-up commons

← This week's Puzzle Post

The Puzzle Post no. 2 · week of 19 October 2026

1. Word ladder

Change one letter at a time to turn HEAD into TAIL. Every step must be a real word. It takes 4 steps in between.

HEAD → ____ → ____ → ____ → ____ → TAIL

2. Number pyramid

Each block is the sum of the two blocks underneath it. Fill in the blanks.

3. Who has which pet?

Dev, Eva, Finn each have one pet: a hamster, a rabbit, a parrot.

  • Dev's pet cannot fly.
  • Eva does not have the rabbit.
  • Finn does not have the hamster.
  • The rabbit's owner is not Finn.

4. What comes next?

1, 3, 6, 10, 15, ____

5. Riddle

The more of me you take, the more you leave behind. What am I?

Answers on page two when printed

  1. HEAD → HEAL → TEAL → TELL → TALL → TAIL
  2. From the bottom: 4, 1, 3, 5 · 5, 4, 8 · 9, 12 · 21
  3. Dev: rabbit · Eva: hamster · Finn: parrot
  4. 21 (add one more each time: 1 + 2 + 3 + …)
  5. Footsteps.